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BOSTON MARATHON 2026

Sarah Mark

Bib: 28594•F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
27:45
3.11 mi
Rank: #22331
Start → 5K
27:45 | 8:56/mi
10K
55:53
6.21 mi
Rank: #22719 (-388)
5K → 10K
28:08 | 9:04/mi
15K
1:26:20
9.32 mi
Rank: #23778 (-1059)
10K → 15K
30:27 | 9:49/mi
20K
1:56:57
12.43 mi
Rank: #24052
15K → 20K
30:37 | 9:52/mi
HALF
2:03:43
13.11 mi
Rank: #24128
20K → HALF
6:46 | 9:56/mi
25K
2:31:21
15.53 mi
Rank: #24767
HALF → 25K
27:38 | 11:24/mi
30K
3:04:57
18.64 mi
Rank: #24802
25K → 30K
33:36 | 10:49/mi
20M
3:21:10
20.00 mi
Rank: #24944
30K → 20M
16:13 | 11:57/mi
21M
3:33:10
21.00 mi
Rank: #24944
20M → 21M
12:00 | 12:00/mi
35K
3:43:30
21.75 mi
Rank: #25206
21M → 35K
10:20 | 13:49/mi
23M
3:57:49
23.00 mi
Rank: #25215
35K → 23M
14:19 | 11:27/mi
24M
4:08:54
24.00 mi
Rank: #25216
23M → 24M
11:05 | 11:05/mi
40K
4:18:07
24.85 mi
Rank: #25167
24M → 40K
9:13 | 10:47/mi
25.2M
4:22:12
25.20 mi
Rank: #25162
40K → 25.2M
4:05 | 11:51/mi
FINISH
4:32:51
26.22 mi
Rank: #25156
25.2M → FINISH
10:39 | 10:28/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:03:43
Pace9:27 /mi
2nd Half
Distance13.11 mi
Time2:29:08
Pace11:23 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5127:458:5627:45
8:56
-
10K
6.21 mi12:18:5955:539:0028:08
9:04
+0:08
15K
9.32 mi12:49:261:26:209:1630:27
9:49
+0:45
20K
12.43 mi13:20:031:56:579:2530:37
9:52
+0:03
HALF
13.11 mi13:26:492:03:439:276:46
9:56
+0:04
25K
15.53 mi13:54:272:31:219:4527:38
11:24
+1:28
30K
18.64 mi14:28:033:04:579:5633:36
10:49
-0:35
20M
20.00 mi14:44:163:21:1010:0416:13
11:57
+1:08
21M
21.00 mi14:56:163:33:1010:1012:00
12:00
+0:03
35K
21.75 mi15:06:363:43:3010:1710:20
13:49
+1:49
23M
23.00 mi15:20:553:57:4910:2114:19
11:27
-2:22
24M
24.00 mi15:32:004:08:5410:2311:05
11:05
-0:22
40K
24.85 mi15:41:134:18:0710:249:13
10:47
-0:18
25.2M
25.20 mi15:45:184:22:1210:254:05
11:51
+1:04
FINISH
26.22 mi15:55:574:32:5110:2510:39
10:28
-1:23

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

8:56 /mi

Average Pace

10:25 /mi

Slowest Pace

13:49 /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

2:03:43

45% of race

Time at Steady Pace

1:32:11

34% of race

Time at Slower Pace

56:57

21% of race

Average Pace: 10:24 /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 mi11:50:5127:458:5627:45
8:56
#22331
10K
6.21 mi12:18:5955:539:0028:08
9:04
#22719
15K
9.32 mi12:49:261:26:209:1630:27
9:49
#23778
20K
12.43 mi13:20:031:56:579:2530:37
9:52
#24052
HALF
13.11 mi13:26:492:03:439:276:46
9:56
#24128
25K
15.53 mi13:54:272:31:219:4527:38
11:24
#24767
30K
18.64 mi14:28:033:04:579:5633:36
10:49
#24802
20M
20.00 mi14:44:163:21:1010:0416:13
11:57
#24944
21M
21.00 mi14:56:163:33:1010:1012:00
12:00
#24944
35K
21.75 mi15:06:363:43:3010:1710:20
13:49
#25206
23M
23.00 mi15:20:553:57:4910:2114:19
11:27
#25215
24M
24.00 mi15:32:004:08:5410:2311:05
11:05
#25216
40K
24.85 mi15:41:134:18:0710:249:13
10:47
#25167
25.2M
25.20 mi15:45:184:22:1210:254:05
11:51
#25162
FINISH
26.22 mi15:55:574:32:5110:2510:39
10:28
#25156
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223318849884925223(Top 87%)10294(Top 82%)10294(Top 180%)
10K6.21 mi3.10 mi22719-3889021-1729021-17223065(Top 79%)9196(Top 73%)9196(Top 161%)
15K9.32 mi3.11 mi23778-10599545-5249545-52425223(Top 87%)10294(Top 82%)10294(Top 180%)
20K12.43 mi3.11 mi24052-2749681-1369681-13624687(Top 85%)10038(Top 80%)10038(Top 176%)
HALF13.11 mi0.68 mi24128-769716-359716-3525522(Top 88%)10503(Top 84%)10503(Top 184%)
25K15.53 mi2.42 mi24767-63910068-35210068-35226887(Top 93%)11297(Top 90%)11297(Top 198%)
30K18.64 mi3.11 mi24802-3510111-4310111-4324977(Top 86%)10357(Top 82%)10357(Top 181%)
20M20.00 mi1.36 mi24944-14210212-10110212-10126313(Top 91%)11140(Top 89%)11140(Top 195%)
21M21.00 mi1.00 mi2494410226-1410226-1425087(Top 86%)10546(Top 84%)10546(Top 184%)
35K21.75 mi0.75 mi25206-26210379-15310379-15328257(Top 97%)12226(Top 97%)12226(Top 214%)
23M23.00 mi1.25 mi25215-910398-1910398-1925333(Top 87%)10743(Top 85%)10743(Top 188%)
24M24.00 mi1.00 mi25216-110419-2110419-2125266(Top 87%)10728(Top 85%)10728(Top 188%)
40K24.85 mi0.85 mi25167+4910406+1310406+1323818(Top 82%)10039(Top 80%)10039(Top 176%)
25.2M25.20 mi0.35 mi25162+510408-210408-224186(Top 83%)10229(Top 81%)10229(Top 179%)
FINISH26.22 mi1.02 mi25156+610414-610414-624974(Top 86%)10622(Top 84%)10622(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21
+97ft-345ft

Overall

25223

Females

10294

F18-39

10294

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

23065

Females

9196

F18-39

9196

10K→15K

6.2 - 9.3 mi

Top 87%
×3
+67ft-78ft

Overall

25223

Females

10294

F18-39

10294

15K→20K

9.3 - 12.4 mi

Top 85%
×5
+106ft-86ft

Overall

24687

Females

10038

F18-39

10038

20K→HALF

12.4 - 13.1 mi

Top 88%
×2
+19ft-37ft

Overall

25522

Females

10503

F18-39

10503

HALF→25K

13.1 - 15.5 mi

Top 93%
×4
+66ft-88ft

Overall

26887

Females

11297

F18-39

11297

25K→30K

15.5 - 18.6 mi

Top 86%
×9
+181ft-148ft

Overall

24977

Females

10357

F18-39

10357

30K→20M

18.6 - 20.0 mi

Top 91%
×5
+64ft-50ft

Overall

26313

Females

11140

F18-39

11140

20M→21M

20.0 - 21.0 mi

Top 86%
×8
+106ft-24ft

Overall

25087

Females

10546

F18-39

10546

21M→35K

21.0 - 21.8 mi

Top 97%
×7
+17ft-86ft

Overall

28257

Females

12226

F18-39

12226

35K→23M

21.8 - 23.0 mi

Top 87%
×5
+23ft-63ft

Overall

25333

Females

10743

F18-39

10743

23M→24M

23.0 - 24.0 mi

Top 87%
×6
+12ft-82ft

Overall

25266

Females

10728

F18-39

10728

24M→40K

24.0 - 24.9 mi

Top 82%
×1
+6ft-20ft

Overall

23818

Females

10039

F18-39

10039

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1
+13ft-16ft

Overall

24186

Females

10229

F18-39

10229

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
×2
+22ft-21ft

Overall

24974

Females

10622

F18-39

10622

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 2 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