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BOSTON MARATHON 2025

Sarah Wallack

Bib: 28300•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:39/mi
26:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
53:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:28/mi
1:19:29
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:45:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:51:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:12:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:50/mi
2:39:39
↑ 181↓ 1480.2%
20M
8:45/mi
2:51:32
↑ 64↓ 500.2%
21M
8:55/mi
3:00:27
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:06:49
↑ 17↓ 861.7%
23M
8:28/mi
3:17:25
↑ 23↓ 630.6%
24M
8:03/mi
3:25:28
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:32:43
↓ 200.3%
25.2M
8:39/mi
3:35:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:43:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:51:40
Pace8:31 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:51:41
Pace8:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1026:518:3926:51
8:39
-
10K
6.21 mi12:12:3153:128:3426:21
8:29
-0:10
15K
9.32 mi12:38:481:19:298:3226:17
8:28
-0:01
20K
12.43 mi13:05:131:45:548:3126:25
8:30
+0:02
Half
13.11 mi13:10:591:51:408:315:46
8:27
-0:03
25K
15.53 mi13:31:322:12:138:3120:33
8:29
+0:02
30K
18.64 mi13:58:582:39:398:3427:26
8:50
+0:21
20M
20.00 mi14:10:512:51:328:3511:53
8:45
-0:05
21M
21.00 mi14:19:463:00:278:368:55
8:55
+0:10
35K
21.75 mi14:26:083:06:498:356:22
8:31
-0:24
23M
23.00 mi14:36:443:17:258:3510:36
8:28
-0:03
24M
24.00 mi14:44:473:25:288:348:03
8:03
-0:25
40K
24.85 mi14:52:023:32:438:347:15
8:29
+0:26
25.2M
25.20 mi14:55:013:35:428:342:59
8:39
+0:10
Finish
26.22 mi15:02:403:43:218:317:39
7:30
-1:09

Checkpoints & Pacing

📈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

7:30 /mi

Average Pace

8:31 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:42

7% of race

Time at Steady Pace

3:18:44

89% of race

Time at Slower Pace

8:55

4% of race

Average Pace: 8:31 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:46:1026:518:3926:51
8:39
#20715
10K
6.21 mi12:12:3153:128:3426:21
8:29
#20203
15K
9.32 mi12:38:481:19:298:3226:17
8:28
#19840
20K
12.43 mi13:05:131:45:548:3126:25
8:30
#19399
Half
13.11 mi13:10:591:51:408:315:46
8:27
#19380
25K
15.53 mi13:31:322:12:138:3120:33
8:29
#18966
30K
18.64 mi13:58:582:39:398:3427:26
8:50
#18530
20M
20.00 mi14:10:512:51:328:3511:53
8:45
#18276
21M
21.00 mi14:19:463:00:278:368:55
8:55
#17978
35K
21.75 mi14:26:083:06:498:356:22
8:31
#17859
23M
23.00 mi14:36:443:17:258:3510:36
8:28
#17556
24M
24.00 mi14:44:473:25:288:348:03
8:03
#17296
40K
24.85 mi14:52:023:32:438:347:15
8:29
#17134
25.2M
25.20 mi14:55:013:35:428:342:59
8:39
#17012
Finish
26.22 mi15:02:403:43:218:317:39
7:30
#16710
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi207157921792119094(Top 67%)6950(Top 57%)6950(Top 127%)
10K6.21 mi3.10 mi20203+5127593+3287593+32819690(Top 69%)7294(Top 60%)7294(Top 133%)
15K9.32 mi3.11 mi19840+3637372+2217372+22119094(Top 67%)6950(Top 57%)6950(Top 127%)
20K12.43 mi3.11 mi19399+4417128+2447128+24418267(Top 64%)6483(Top 53%)6483(Top 119%)
Half13.11 mi0.68 mi19380+197120+87120+818904(Top 67%)6827(Top 56%)6827(Top 125%)
25K15.53 mi2.42 mi18966+4146897+2236897+22317041(Top 60%)5876(Top 48%)5876(Top 107%)
30K18.64 mi3.11 mi18530+4366675+2226675+22216779(Top 59%)5906(Top 48%)5906(Top 108%)
20M20.00 mi1.36 mi18276+2546569+1066569+10615373(Top 54%)5252(Top 43%)5252(Top 96%)
21M21.00 mi1.00 mi17978+2986417+1526417+15213070(Top 46%)4170(Top 34%)4170(Top 76%)
35K21.75 mi0.75 mi17859+1196363+546363+5415567(Top 55%)5557(Top 45%)5557(Top 102%)
23M23.00 mi1.25 mi17556+3036259+1046259+10413144(Top 46%)4353(Top 36%)4353(Top 80%)
24M24.00 mi1.00 mi17296+2606135+1246135+12411635(Top 41%)3650(Top 30%)3650(Top 67%)
40K24.85 mi0.85 mi17134+1626062+736062+7313351(Top 47%)4638(Top 38%)4638(Top 85%)
25.2M25.20 mi0.35 mi17012+1226007+556007+559864(Top 35%)2990(Top 24%)2990(Top 55%)
Finish26.22 mi1.02 mi16710+3025855+1525855+1529296(Top 33%)2683(Top 22%)2683(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

19094

Females

6950

F18-39

6950

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19690

Females

7294

F18-39

7294

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

19094

Females

6950

F18-39

6950

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18267

Females

6483

F18-39

6483

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

18904

Females

6827

F18-39

6827

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

17041

Females

5876

F18-39

5876

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16779

Females

5906

F18-39

5906

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15373

Females

5252

F18-39

5252

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13070

Females

4170

F18-39

4170

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15567

Females

5557

F18-39

5557

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13144

Females

4353

F18-39

4353

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11635

Females

3650

F18-39

3650

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13351

Females

4638

F18-39

4638

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9864

Females

2990

F18-39

2990

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9296

Females

2683

F18-39

2683

Passing Analysis

Category:
Athletes Passed
4326
Passed By
321
Net Change
+4005
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20715
5K → 10K631119+512#20715#20203
10K → 15K40744+363#20203#19840
15K → 20K46827+441#19840#19399
20K → Half4425+19#19399#19380
Half → 25K42612+414#19380#18966
25K → 30K48549+436#18966#18530
30K → 20M26612+254#18530#18276
20M → 21M3035+298#18276#17978
21M → 35K13112+119#17978#17859
35K → 23M3074+303#17859#17556
23M → 24M2611+260#17556#17296
24M → 40K1708+162#17296#17134
40K → 25.2M1231+122#17134#17012
25.2M → Finish3042+302#17012#16710
TOTALS4326321+4005
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing