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BOSTON MARATHON 2026

Katie Messerall

Bib: 17948•F

TX

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 43%
Gender (Female)
#0 / 12578
Top 28%
Masters (Masters Women)
#0 / 6862
Top 12%
Age Group (F40-44)
#0 / 1737
Top 27%
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
23:42
3.11 mi
Rank: #13901
Start → 5K
23:42 | 7:38/mi
10K
47:30
6.21 mi
Rank: #14133 (-232)
5K → 10K
23:48 | 7:40/mi
15K
1:11:18
9.32 mi
Rank: #14094 (+39)
10K → 15K
23:48 | 7:40/mi
20K
1:35:07
12.43 mi
Rank: #13890 (+204)
15K → 20K
23:49 | 7:40/mi
HALF
1:40:19
13.11 mi
Rank: #13899 (-9)
20K → HALF
5:12 | 7:38/mi
25K
1:58:59
15.53 mi
Rank: #13726 (+173)
HALF → 25K
18:40 | 7:42/mi
30K
2:23:27
18.64 mi
Rank: #13500 (+226)
25K → 30K
24:28 | 7:53/mi
20M
2:34:11
20.00 mi
Rank: #13360 (+140)
30K → 20M
10:44 | 7:55/mi
21M
2:42:07
21.00 mi
Rank: #13115 (+245)
20M → 21M
7:56 | 7:56/mi
35K
2:47:56
21.75 mi
Rank: #13092 (+23)
21M → 35K
5:49 | 7:47/mi
23M
2:57:38
23.00 mi
Rank: #12930 (+162)
35K → 23M
9:42 | 7:46/mi
24M
3:05:21
24.00 mi
Rank: #12853 (+77)
23M → 24M
7:43 | 7:43/mi
40K
3:11:52
24.85 mi
Rank: #12701 (+152)
24M → 40K
6:31 | 7:38/mi
25.2M
3:14:37
25.20 mi
Rank: #12627 (+74)
40K → 25.2M
2:45 | 7:59/mi
FINISH
3:21:45
26.22 mi
Rank: #12399 (+228)
25.2M → FINISH
7:08 | 7:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:19
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:41:26
Pace7:45 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:1123:427:3823:42
7:38
-
10K
6.21 mi11:29:5947:307:3923:48
7:40
+0:02
15K
9.32 mi11:53:471:11:187:3923:48
7:40
0:00
20K
12.43 mi12:17:361:35:077:4023:49
7:40
0:00
HALF
13.11 mi12:22:481:40:197:405:12
7:38
-0:02
25K
15.53 mi12:41:281:58:597:4018:40
7:42
+0:04
30K
18.64 mi13:05:562:23:277:4224:28
7:53
+0:11
20M
20.00 mi13:16:402:34:117:4310:44
7:55
+0:02
21M
21.00 mi13:24:362:42:077:447:56
7:56
+0:01
35K
21.75 mi13:30:252:47:567:445:49
7:47
-0:09
23M
23.00 mi13:40:072:57:387:449:42
7:46
-0:01
24M
24.00 mi13:47:503:05:217:447:43
7:43
-0:03
40K
24.85 mi13:54:213:11:527:446:31
7:38
-0:05
25.2M
25.20 mi13:57:063:14:377:442:45
7:59
+0:21
FINISH
26.22 mi14:04:143:21:457:437:08
7:00
-0:59

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

7:00 /mi

Average Pace

7:42 /mi

Slowest Pace

7:59 /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

1:53:58

56% of race

Time at Steady Pace

1:27:47

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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 mi11:06:1123:427:3823:42
7:38
#13901
10K
6.21 mi11:29:5947:307:3923:48
7:40
#14133
15K
9.32 mi11:53:471:11:187:3923:48
7:40
#14094
20K
12.43 mi12:17:361:35:077:4023:49
7:40
#13890
HALF
13.11 mi12:22:481:40:197:405:12
7:38
#13899
25K
15.53 mi12:41:281:58:597:4018:40
7:42
#13726
30K
18.64 mi13:05:562:23:277:4224:28
7:53
#13500
20M
20.00 mi13:16:402:34:117:4310:44
7:55
#13360
21M
21.00 mi13:24:362:42:077:447:56
7:56
#13115
35K
21.75 mi13:30:252:47:567:445:49
7:47
#13092
23M
23.00 mi13:40:072:57:387:449:42
7:46
#12930
24M
24.00 mi13:47:503:05:217:447:43
7:43
#12853
40K
24.85 mi13:54:213:11:527:446:31
7:38
#12701
25.2M
25.20 mi13:57:063:14:377:442:45
7:59
#12627
FINISH
26.22 mi14:04:143:21:457:437:08
7:00
#12399
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 mi139014016401614201(Top 49%)4252(Top 34%)4252(Top 245%)
10K6.21 mi3.10 mi14133-2324177-1614177-16114420(Top 50%)4351(Top 35%)4351(Top 250%)
15K9.32 mi3.11 mi14094+394181-44181-414201(Top 49%)4252(Top 34%)4252(Top 245%)
20K12.43 mi3.11 mi13890+2044080+1014080+10113429(Top 46%)3899(Top 31%)3899(Top 224%)
HALF13.11 mi0.68 mi13899-94086-64086-614121(Top 49%)4205(Top 33%)4205(Top 242%)
25K15.53 mi2.42 mi13726+1734010+764010+7613026(Top 45%)3746(Top 30%)3746(Top 216%)
30K18.64 mi3.11 mi13500+2263921+893921+8912550(Top 43%)3602(Top 29%)3602(Top 207%)
20M20.00 mi1.36 mi13360+1403870+513870+5112126(Top 42%)3466(Top 28%)3466(Top 200%)
21M21.00 mi1.00 mi13115+2453760+1103760+1109498(Top 33%)2266(Top 18%)2266(Top 130%)
35K21.75 mi0.75 mi13092+233758+23758+212892(Top 44%)4014(Top 32%)4014(Top 231%)
23M23.00 mi1.25 mi12930+1623694+643694+6410713(Top 37%)2972(Top 24%)2972(Top 171%)
24M24.00 mi1.00 mi12853+773665+293665+2911698(Top 40%)3544(Top 28%)3544(Top 204%)
40K24.85 mi0.85 mi12701+1523612+533612+539807(Top 34%)2670(Top 21%)2670(Top 154%)
25.2M25.20 mi0.35 mi12627+743582+303582+308323(Top 29%)2054(Top 16%)2054(Top 118%)
FINISH26.22 mi1.02 mi12399+2283478+1043478+1047622(Top 26%)1763(Top 14%)1763(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14201

Females

4252

F40-44

4252

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14420

Females

4351

F40-44

4351

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14201

Females

4252

F40-44

4252

15K→20K

9.3 - 12.4 mi

Top 46%
×5
+106ft-86ft

Overall

13429

Females

3899

F40-44

3899

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14121

Females

4205

F40-44

4205

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

13026

Females

3746

F40-44

3746

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12550

Females

3602

F40-44

3602

30K→20M

18.6 - 20.0 mi

Top 42%
×5
+64ft-50ft

Overall

12126

Females

3466

F40-44

3466

20M→21M

20.0 - 21.0 mi

Top 33%
×8
+106ft-24ft

Overall

9498

Females

2266

F40-44

2266

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12892

Females

4014

F40-44

4014

35K→23M

21.8 - 23.0 mi

Top 37%
×5
+23ft-63ft

Overall

10713

Females

2972

F40-44

2972

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11698

Females

3544

F40-44

3544

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9807

Females

2670

F40-44

2670

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1
+13ft-16ft

Overall

8323

Females

2054

F40-44

2054

25.2M→FINISH

25.2 - 26.2 mi

Top 26%
×2
+22ft-21ft

Overall

7622

Females

1763

F40-44

1763

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 3 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

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing