All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Meredith Ambrose

Bib: 15671•F

NH

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 45%
Masters (Masters Women)
#0 / 6862
Top 32%
Age Group (F40-44)
#0 / 1737
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:37
3.11 mi
Rank: #13677
Start → 5K
23:37 | 7:37/mi
10K
47:35
6.21 mi
Rank: #14248 (-571)
5K → 10K
23:58 | 7:43/mi
15K
1:12:04
9.32 mi
Rank: #14825 (-577)
10K → 15K
24:29 | 7:53/mi
20K
1:37:00
12.43 mi
Rank: #15225 (-400)
15K → 20K
24:56 | 8:02/mi
HALF
1:42:31
13.11 mi
Rank: #15346 (-121)
20K → HALF
5:31 | 8:06/mi
25K
2:02:30
15.53 mi
Rank: #15653 (-307)
HALF → 25K
19:59 | 8:15/mi
30K
2:28:49
18.64 mi
Rank: #15856 (-203)
25K → 30K
26:19 | 8:29/mi
20M
2:40:50
20.00 mi
Rank: #16070 (-214)
30K → 20M
12:01 | 8:51/mi
21M
2:50:02
21.00 mi
Rank: #16092 (-22)
20M → 21M
9:12 | 9:12/mi
35K
2:56:15
21.75 mi
Rank: #16077 (+15)
21M → 35K
6:13 | 8:19/mi
23M
3:07:17
23.00 mi
Rank: #16143 (-66)
35K → 23M
11:02 | 8:49/mi
24M
3:15:50
24.00 mi
Rank: #16178 (-35)
23M → 24M
8:33 | 8:33/mi
40K
3:23:23
24.85 mi
Rank: #16221 (-43)
24M → 40K
7:33 | 8:50/mi
25.2M
3:26:37
25.20 mi
Rank: #16218 (+3)
40K → 25.2M
3:14 | 9:23/mi
FINISH
3:35:13
26.22 mi
Rank: #16289 (-71)
25.2M → FINISH
8:36 | 8:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:31
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:52:42
Pace8:36 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0623:377:3723:37
7:37
-
10K
6.21 mi11:20:0447:357:4023:58
7:43
+0:06
15K
9.32 mi11:44:331:12:047:4424:29
7:53
+0:10
20K
12.43 mi12:09:291:37:007:4924:56
8:02
+0:09
HALF
13.11 mi12:15:001:42:317:505:31
8:06
+0:04
25K
15.53 mi12:34:592:02:307:5419:59
8:15
+0:09
30K
18.64 mi13:01:182:28:497:5926:19
8:29
+0:14
20M
20.00 mi13:13:192:40:508:0312:01
8:51
+0:22
21M
21.00 mi13:22:312:50:028:069:12
9:12
+0:21
35K
21.75 mi13:28:442:56:158:076:13
8:19
-0:53
23M
23.00 mi13:39:463:07:178:0911:02
8:49
+0:30
24M
24.00 mi13:48:193:15:508:108:33
8:33
-0:16
40K
24.85 mi13:55:523:23:238:117:33
8:50
+0:17
25.2M
25.20 mi13:59:063:26:378:123:14
9:23
+0:33
FINISH
26.22 mi14:07:423:35:138:138:36
8:27
-0:56

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:37 /mi

Average Pace

8:13 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:42:31

48% of race

Time at Steady Pace

1:09:40

32% of race

Time at Slower Pace

43:02

20% of race

Average Pace: 8:12 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:56:0623:377:3723:37
7:37
#13677
10K
6.21 mi11:20:0447:357:4023:58
7:43
#14248
15K
9.32 mi11:44:331:12:047:4424:29
7:53
#14825
20K
12.43 mi12:09:291:37:007:4924:56
8:02
#15225
HALF
13.11 mi12:15:001:42:317:505:31
8:06
#15346
25K
15.53 mi12:34:592:02:307:5419:59
8:15
#15653
30K
18.64 mi13:01:182:28:497:5926:19
8:29
#15856
20M
20.00 mi13:13:192:40:508:0312:01
8:51
#16070
21M
21.00 mi13:22:312:50:028:069:12
9:12
#16092
35K
21.75 mi13:28:442:56:158:076:13
8:19
#16077
23M
23.00 mi13:39:463:07:178:0911:02
8:49
#16143
24M
24.00 mi13:48:193:15:508:108:33
8:33
#16178
40K
24.85 mi13:55:523:23:238:117:33
8:50
#16221
25.2M
25.20 mi13:59:063:26:378:123:14
9:23
#16218
FINISH
26.22 mi14:07:423:35:138:138:36
8:27
#16289
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi136773890389016037(Top 55%)5362(Top 43%)5362(Top 309%)
10K6.21 mi3.10 mi14248-5714247-3574247-35714906(Top 51%)4641(Top 37%)4641(Top 267%)
15K9.32 mi3.11 mi14825-5774627-3804627-38016037(Top 55%)5362(Top 43%)5362(Top 309%)
20K12.43 mi3.11 mi15225-4004883-2564883-25616302(Top 56%)5554(Top 44%)5554(Top 320%)
HALF13.11 mi0.68 mi15346-1214956-734956-7317748(Top 61%)6325(Top 50%)6325(Top 364%)
25K15.53 mi2.42 mi15653-3075159-2035159-20317057(Top 59%)6018(Top 48%)6018(Top 346%)
30K18.64 mi3.11 mi15856-2035318-1595318-15916745(Top 58%)5957(Top 47%)5957(Top 343%)
20M20.00 mi1.36 mi16070-2145462-1445462-14418203(Top 63%)6869(Top 55%)6869(Top 395%)
21M21.00 mi1.00 mi16092-225503-415503-4117160(Top 59%)6350(Top 50%)6350(Top 366%)
35K21.75 mi0.75 mi16077+155507-45507-416509(Top 57%)6033(Top 48%)6033(Top 347%)
23M23.00 mi1.25 mi16143-665566-595566-5917531(Top 60%)6704(Top 53%)6704(Top 386%)
24M24.00 mi1.00 mi16178-355597-315597-3117182(Top 59%)6570(Top 52%)6570(Top 378%)
40K24.85 mi0.85 mi16221-435641-445641-4417564(Top 61%)6810(Top 54%)6810(Top 392%)
25.2M25.20 mi0.35 mi16218+35653-125653-1216767(Top 58%)6373(Top 51%)6373(Top 367%)
FINISH26.22 mi1.02 mi16289-715708-555708-5517846(Top 61%)6964(Top 55%)6964(Top 401%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

16037

Females

5362

F40-44

5362

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14906

Females

4641

F40-44

4641

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

16037

Females

5362

F40-44

5362

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16302

Females

5554

F40-44

5554

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17748

Females

6325

F40-44

6325

HALF→25K

13.1 - 15.5 mi

Top 59%
×4
+66ft-88ft

Overall

17057

Females

6018

F40-44

6018

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16745

Females

5957

F40-44

5957

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18203

Females

6869

F40-44

6869

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17160

Females

6350

F40-44

6350

21M→35K

21.0 - 21.8 mi

Top 57%
×7
+17ft-86ft

Overall

16509

Females

6033

F40-44

6033

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17531

Females

6704

F40-44

6704

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17182

Females

6570

F40-44

6570

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17564

Females

6810

F40-44

6810

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16767

Females

6373

F40-44

6373

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17846

Females

6964

F40-44

6964

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
936
Passed By
3548
Net Change
-2612
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13677
5K → 10K111682-571#13677#14248
10K → 15K75652-577#14248#14825
15K → 20K78478-400#14825#15225
20K → HALF10131-121#15225#15346
HALF → 25K67374-307#15346#15653
25K → 30K139342-203#15653#15856
30K → 20M39253-214#15856#16070
20M → 21M92114-22#16070#16092
21M → 35K6954+15#16092#16077
35K → 23M76142-66#16077#16143
23M → 24M5388-35#16143#16178
24M → 40K5699-43#16178#16221
40K → 25.2M3128+3#16221#16218
25.2M → FINISH40111-71#16218#16289
TOTALS9363548-2612
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing