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BOSTON MARATHON 2025

Sarah Roach

Bib: 28212•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
10:14/mi
31:47
↑ 97↓ 3451.5%
10K· 6.21 mi
9:35/mi
1:01:32
↑ 79↓ 1380.4%
15K· 9.32 mi
9:26/mi
1:30:52
↑ 67↓ 78
20K· 12.43 mi
9:26/mi
2:00:11
↑ 106↓ 860.1%
Half· 13.11 mi
9:27/mi
2:06:38
↑ 19↓ 370.5%
25K· 15.53 mi
9:25/mi
2:29:27
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:58:42
↑ 181↓ 1480.2%
20M
9:17/mi
3:11:19
↑ 64↓ 500.2%
21M
9:33/mi
3:20:52
↑ 106↓ 241.6%
35K· 21.75 mi
9:07/mi
3:27:41
↑ 17↓ 861.7%
23M
9:01/mi
3:38:58
↑ 23↓ 630.6%
24M
8:59/mi
3:47:57
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:55:23
↓ 200.3%
25.2M
9:17/mi
3:58:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
4:06:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:06:38
Pace9:40 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:00:18
Pace9:11 /mi
📊Negative Split: 5.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3931:4710:1431:47
10:14
-
10K
6.21 mi12:19:241:01:329:5429:45
9:35
-0:39
15K
9.32 mi12:48:441:30:529:4529:20
9:26
-0:09
20K
12.43 mi13:18:032:00:119:4029:19
9:26
0:00
Half
13.11 mi13:24:302:06:389:406:27
9:27
+0:01
25K
15.53 mi13:47:192:29:279:3722:49
9:25
-0:02
30K
18.64 mi14:16:342:58:429:3529:15
9:25
0:00
20M
20.00 mi14:29:113:11:199:3412:37
9:17
-0:08
21M
21.00 mi14:38:443:20:529:349:33
9:33
+0:16
35K
21.75 mi14:45:333:27:419:336:49
9:07
-0:26
23M
23.00 mi14:56:503:38:589:3111:17
9:01
-0:06
24M
24.00 mi15:05:493:47:579:308:59
8:59
-0:02
40K
24.85 mi15:13:153:55:239:287:26
8:42
-0:17
25.2M
25.20 mi15:16:273:58:359:283:12
9:17
+0:35
Finish
26.22 mi15:24:484:06:569:258:21
8:12
-1:05

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

8:12 /mi

Average Pace

9:25 /mi

Slowest Pace

10:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:52

17% of race

Time at Steady Pace

2:52:17

70% of race

Time at Slower Pace

31:47

13% of race

Average Pace: 9:25 /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 mi11:49:3931:4710:1431:47
10:14
#26142
10K
6.21 mi12:19:241:01:329:5429:45
9:35
#25195
15K
9.32 mi12:48:441:30:529:4529:20
9:26
#24708
20K
12.43 mi13:18:032:00:119:4029:19
9:26
#24228
Half
13.11 mi13:24:302:06:389:406:27
9:27
#24185
25K
15.53 mi13:47:192:29:279:3722:49
9:25
#23747
30K
18.64 mi14:16:342:58:429:3529:15
9:25
#23053
20M
20.00 mi14:29:113:11:199:3412:37
9:17
#22768
21M
21.00 mi14:38:443:20:529:349:33
9:33
#22460
35K
21.75 mi14:45:333:27:419:336:49
9:07
#22336
23M
23.00 mi14:56:503:38:589:3111:17
9:01
#22026
24M
24.00 mi15:05:493:47:579:308:59
8:59
#21844
40K
24.85 mi15:13:153:55:239:287:26
8:42
#21642
25.2M
25.20 mi15:16:273:58:359:283:12
9:17
#21539
Finish
26.22 mi15:24:484:06:569:258:21
8:12
#21332
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26142108331083323578(Top 83%)9420(Top 77%)9420(Top 172%)
10K6.21 mi3.10 mi25195+94710336+49710336+49724301(Top 86%)9859(Top 81%)9859(Top 180%)
15K9.32 mi3.11 mi24708+48710066+27010066+27023578(Top 83%)9420(Top 77%)9420(Top 172%)
20K12.43 mi3.11 mi24228+4809818+2489818+24822704(Top 80%)8977(Top 73%)8977(Top 164%)
Half13.11 mi0.68 mi24185+439799+199799+1923428(Top 82%)9380(Top 77%)9380(Top 172%)
25K15.53 mi2.42 mi23747+4389554+2459554+24521590(Top 76%)8417(Top 69%)8417(Top 154%)
30K18.64 mi3.11 mi23053+6949217+3379217+33719607(Top 69%)7454(Top 61%)7454(Top 136%)
20M20.00 mi1.36 mi22768+2859085+1329085+13218253(Top 64%)6871(Top 56%)6871(Top 126%)
21M21.00 mi1.00 mi22460+3088923+1628923+16216344(Top 58%)5903(Top 48%)5903(Top 108%)
35K21.75 mi0.75 mi22336+1248868+558868+5518822(Top 66%)7373(Top 60%)7373(Top 135%)
23M23.00 mi1.25 mi22026+3108733+1358733+13516377(Top 58%)6114(Top 50%)6114(Top 112%)
24M24.00 mi1.00 mi21844+1828653+808653+8017331(Top 61%)6679(Top 55%)6679(Top 122%)
40K24.85 mi0.85 mi21642+2028562+918562+9114645(Top 52%)5344(Top 44%)5344(Top 98%)
25.2M25.20 mi0.35 mi21539+1038505+578505+5713479(Top 47%)4788(Top 39%)4788(Top 88%)
Finish26.22 mi1.02 mi21332+2078403+1028403+10214283(Top 50%)5107(Top 42%)5107(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23578

Females

9420

F18-39

9420

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24301

Females

9859

F18-39

9859

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23578

Females

9420

F18-39

9420

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22704

Females

8977

F18-39

8977

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23428

Females

9380

F18-39

9380

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21590

Females

8417

F18-39

8417

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19607

Females

7454

F18-39

7454

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18253

Females

6871

F18-39

6871

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16344

Females

5903

F18-39

5903

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18822

Females

7373

F18-39

7373

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16377

Females

6114

F18-39

6114

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17331

Females

6679

F18-39

6679

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14645

Females

5344

F18-39

5344

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13479

Females

4788

F18-39

4788

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14283

Females

5107

F18-39

5107

Passing Analysis

Category:
Athletes Passed
4848
Passed By
38
Net Change
+4810
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26142
5K → 10K9536+947#26142#25195
10K → 15K4958+487#25195#24708
15K → 20K4822+480#24708#24228
20K → Half529+43#24228#24185
Half → 25K4413+438#24185#23747
25K → 30K6962+694#23747#23053
30K → 20M2872+285#23053#22768
20M → 21M3080+308#22768#22460
21M → 35K1273+124#22460#22336
35K → 23M3100+310#22336#22026
23M → 24M1842+182#22026#21844
24M → 40K2031+202#21844#21642
40K → 25.2M1030+103#21642#21539
25.2M → Finish2070+207#21539#21332
TOTALS484838+4810
📊

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