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

Jennifer Welsh

Bib: 20853β€’F

WI

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 45%
Gender (Female)
#0 / 12578
Top 31%
Masters (Masters Women)
#0 / 6862
Top 15%
Age Group (F40-44)
#0 / 1737
Top 33%
Race Day Weather
51Β°/41Β°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
24:04
3.11 mi
Rank: #14973
Start β†’ 5K
24:04 | 7:45/mi
10K
47:24
6.21 mi
Rank: #14001 (+972)
5K β†’ 10K
23:20 | 7:31/mi
15K
1:10:31
9.32 mi
Rank: #13359 (+642)
10K β†’ 15K
23:07 | 7:27/mi
20K
1:34:00
12.43 mi
Rank: #13138 (+221)
15K β†’ 20K
23:29 | 7:34/mi
HALF
1:39:01
13.11 mi
Rank: #13078 (+60)
20K β†’ HALF
5:01 | 7:22/mi
25K
1:58:09
15.53 mi
Rank: #13294 (-216)
HALF β†’ 25K
19:08 | 7:54/mi
30K
2:22:56
18.64 mi
Rank: #13273 (+21)
25K β†’ 30K
24:47 | 7:59/mi
20M
2:34:47
20.00 mi
Rank: #13584 (-311)
30K β†’ 20M
11:51 | 8:44/mi
21M
2:43:15
21.00 mi
Rank: #13534 (+50)
20M β†’ 21M
8:28 | 8:28/mi
35K
2:49:13
21.75 mi
Rank: #13555 (-21)
21M β†’ 35K
5:58 | 7:59/mi
23M
2:59:12
23.00 mi
Rank: #13442 (+113)
35K β†’ 23M
9:59 | 7:59/mi
24M
3:06:52
24.00 mi
Rank: #13318 (+124)
23M β†’ 24M
7:40 | 7:40/mi
40K
3:13:35
24.85 mi
Rank: #13222 (+96)
24M β†’ 40K
6:43 | 7:52/mi
25.2M
3:16:24
25.20 mi
Rank: #13172 (+50)
40K β†’ 25.2M
2:49 | 8:11/mi
FINISH
3:23:57
26.22 mi
Rank: #13054 (+118)
25.2M β†’ FINISH
7:33 | 7:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:01
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:44:56
Pace8:01 /mi
πŸ“ŠPositive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:3424:047:4524:04
7:45
-
10K
6.21 mi11:32:5447:247:3823:20
7:31
-0:14
15K
9.32 mi11:56:011:10:317:3423:07
7:27
-0:04
20K
12.43 mi12:19:301:34:007:3423:29
7:34
+0:07
HALF
13.11 mi12:24:311:39:017:345:01
7:22
-0:12
25K
15.53 mi12:43:391:58:097:3719:08
7:54
+0:32
30K
18.64 mi13:08:262:22:567:4124:47
7:59
+0:05
20M
20.00 mi13:20:172:34:477:4511:51
8:44
+0:45
21M
21.00 mi13:28:452:43:157:478:28
8:28
-0:16
35K
21.75 mi13:34:432:49:137:475:58
7:59
-0:29
23M
23.00 mi13:44:422:59:127:489:59
7:59
0:00
24M
24.00 mi13:52:223:06:527:487:40
7:40
-0:19
40K
24.85 mi13:59:053:13:357:486:43
7:52
+0:12
25.2M
25.20 mi14:01:543:16:247:482:49
8:11
+0:19
FINISH
26.22 mi14:09:273:23:577:487:33
7:25
-0:46

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

7:22 /mi

Average Pace

7:47 /mi

Slowest Pace

8:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:00:49

89% of race

Time at Steady Pace

11:17

6% of race

Time at Slower Pace

11:51

6% of race

Average Pace: 7:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:09:3424:047:4524:04
7:45
#14973
10K
6.21 mi11:32:5447:247:3823:20
7:31
#14001
15K
9.32 mi11:56:011:10:317:3423:07
7:27
#13359
20K
12.43 mi12:19:301:34:007:3423:29
7:34
#13138
HALF
13.11 mi12:24:311:39:017:345:01
7:22
#13078
25K
15.53 mi12:43:391:58:097:3719:08
7:54
#13294
30K
18.64 mi13:08:262:22:567:4124:47
7:59
#13273
20M
20.00 mi13:20:172:34:477:4511:51
8:44
#13584
21M
21.00 mi13:28:452:43:157:478:28
8:28
#13534
35K
21.75 mi13:34:432:49:137:475:58
7:59
#13555
23M
23.00 mi13:44:422:59:127:489:59
7:59
#13442
24M
24.00 mi13:52:223:06:527:487:40
7:40
#13318
40K
24.85 mi13:59:053:13:357:486:43
7:52
#13222
25.2M
25.20 mi14:01:543:16:247:482:49
8:11
#13172
FINISH
26.22 mi14:09:273:23:577:487:33
7:25
#13054
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 mi149734664466412330(Top 42%)3195(Top 25%)3195(Top 184%)
10K6.21 mi3.10 mi14001+9724089+5754089+57513052(Top 45%)3575(Top 28%)3575(Top 206%)
15K9.32 mi3.11 mi13359+6423756+3333756+33312330(Top 42%)3195(Top 25%)3195(Top 184%)
20K12.43 mi3.11 mi13138+2213664+923664+9212495(Top 43%)3382(Top 27%)3382(Top 195%)
HALF13.11 mi0.68 mi13078+603625+393625+3911839(Top 41%)2952(Top 23%)2952(Top 170%)
25K15.53 mi2.42 mi13294-2163761-1363761-13614521(Top 50%)4582(Top 36%)4582(Top 264%)
30K18.64 mi3.11 mi13273+213802-413802-4113333(Top 46%)4029(Top 32%)4029(Top 232%)
20M20.00 mi1.36 mi13584-3113991-1893991-18917519(Top 60%)6473(Top 51%)6473(Top 373%)
21M21.00 mi1.00 mi13534+503986+53986+512926(Top 45%)4012(Top 32%)4012(Top 231%)
35K21.75 mi0.75 mi13555-214020-344020-3414332(Top 49%)4806(Top 38%)4806(Top 277%)
23M23.00 mi1.25 mi13442+1133986+343986+3412312(Top 42%)3775(Top 30%)3775(Top 217%)
24M24.00 mi1.00 mi13318+1243937+493937+4911360(Top 39%)3365(Top 27%)3365(Top 194%)
40K24.85 mi0.85 mi13222+963900+373900+3711493(Top 40%)3516(Top 28%)3516(Top 202%)
25.2M25.20 mi0.35 mi13172+503877+233877+239512(Top 33%)2629(Top 21%)2629(Top 151%)
FINISH26.22 mi1.02 mi13054+1183847+303847+3010767(Top 37%)3241(Top 26%)3241(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
Γ—21
+97ft-345ft

Overall

12330

Females

3195

F40-44

3195

5K→10K

3.1 - 6.2 mi

Top 45%
Γ—5
+79ft-138ft

Overall

13052

Females

3575

F40-44

3575

10K→15K

6.2 - 9.3 mi

Top 42%
Γ—3
+67ft-78ft

Overall

12330

Females

3195

F40-44

3195

15K→20K

9.3 - 12.4 mi

Top 43%
Γ—5
+106ft-86ft

Overall

12495

Females

3382

F40-44

3382

20K→HALF

12.4 - 13.1 mi

Top 41%
Γ—2
+19ft-37ft

Overall

11839

Females

2952

F40-44

2952

HALF→25K

13.1 - 15.5 mi

Top 50%
Γ—4
+66ft-88ft

Overall

14521

Females

4582

F40-44

4582

25K→30K

15.5 - 18.6 mi

Top 46%
Γ—9
+181ft-148ft

Overall

13333

Females

4029

F40-44

4029

30K→20M

18.6 - 20.0 mi

Top 60%
Γ—5
+64ft-50ft

Overall

17519

Females

6473

F40-44

6473

20M→21M

20.0 - 21.0 mi

Top 45%
Γ—8
+106ft-24ft

Overall

12926

Females

4012

F40-44

4012

21M→35K

21.0 - 21.8 mi

Top 49%
Γ—7
+17ft-86ft

Overall

14332

Females

4806

F40-44

4806

35K→23M

21.8 - 23.0 mi

Top 42%
Γ—5
+23ft-63ft

Overall

12312

Females

3775

F40-44

3775

23M→24M

23.0 - 24.0 mi

Top 39%
Γ—6
+12ft-82ft

Overall

11360

Females

3365

F40-44

3365

24M→40K

24.0 - 24.9 mi

Top 40%
Γ—1
+6ft-20ft

Overall

11493

Females

3516

F40-44

3516

40K→25.2M

24.9 - 25.2 mi

Top 33%
Γ—1
+13ft-16ft

Overall

9512

Females

2629

F40-44

2629

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
Γ—2
+22ft-21ft

Overall

10767

Females

3241

F40-44

3241

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 7 hours ago. This usually takes 10-20 minutes. Please check back shortly.

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