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BOSTON MARATHON 2025

Sara Haven

Bib: 30011•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
9:59/mi
31:02
↑ 97↓ 3451.5%
10K· 6.21 mi
9:42/mi
1:01:11
↑ 79↓ 1380.4%
15K· 9.32 mi
9:37/mi
1:31:05
↑ 67↓ 78
20K· 12.43 mi
9:26/mi
2:00:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
2:06:32
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:29:00
↑ 66↓ 880.2%
30K· 18.64 mi
9:29/mi
2:58:29
↑ 181↓ 1480.2%
20M
9:13/mi
3:11:01
↑ 64↓ 500.2%
21M
9:50/mi
3:20:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:57/mi
3:27:33
↑ 17↓ 861.7%
23M
9:13/mi
3:39:05
↑ 23↓ 630.6%
24M
8:49/mi
3:47:54
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:55:37
↓ 200.3%
25.2M
9:52/mi
3:59:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:17/mi
4:07:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:06:32
Pace9:39 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:00:55
Pace9:13 /mi
📊Negative Split: 4.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4831:029:5931:02
9:59
-
10K
6.21 mi12:22:571:01:119:5130:09
9:42
-0:17
15K
9.32 mi12:52:511:31:059:4629:54
9:37
-0:05
20K
12.43 mi13:22:112:00:259:4129:20
9:26
-0:11
Half
13.11 mi13:28:182:06:329:396:07
8:58
-0:28
25K
15.53 mi13:50:462:29:009:3622:28
9:16
+0:18
30K
18.64 mi14:20:152:58:299:3429:29
9:29
+0:13
20M
20.00 mi14:32:473:11:019:3312:32
9:13
-0:16
21M
21.00 mi14:42:373:20:519:349:50
9:50
+0:37
35K
21.75 mi14:49:193:27:339:336:42
8:57
-0:53
23M
23.00 mi15:00:513:39:059:3211:32
9:13
+0:16
24M
24.00 mi15:09:403:47:549:308:49
8:49
-0:24
40K
24.85 mi15:17:233:55:379:297:43
9:02
+0:13
25.2M
25.20 mi15:20:473:59:019:293:24
9:52
+0:50
Finish
26.22 mi15:29:134:07:279:278:26
8:17
-1:35

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

8:17 /mi

Average Pace

9:27 /mi

Slowest Pace

9:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:47

15% of race

Time at Steady Pace

1:45:21

43% of race

Time at Slower Pace

1:44:19

42% of race

Average Pace: 9:26 /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 mi11:52:4831:029:5931:02
9:59
#25543
10K
6.21 mi12:22:571:01:119:5130:09
9:42
#25070
15K
9.32 mi12:52:511:31:059:4629:54
9:37
#24760
20K
12.43 mi13:22:112:00:259:4129:20
9:26
#24279
Half
13.11 mi13:28:182:06:329:396:07
8:58
#24165
25K
15.53 mi13:50:462:29:009:3622:28
9:16
#23675
30K
18.64 mi14:20:152:58:299:3429:29
9:29
#23022
20M
20.00 mi14:32:473:11:019:3312:32
9:13
#22712
21M
21.00 mi14:42:373:20:519:349:50
9:50
#22456
35K
21.75 mi14:49:193:27:339:336:42
8:57
#22321
23M
23.00 mi15:00:513:39:059:3211:32
9:13
#22046
24M
24.00 mi15:09:403:47:549:308:49
8:49
#21832
40K
24.85 mi15:17:233:55:379:297:43
9:02
#21679
25.2M
25.20 mi15:20:473:59:019:293:24
9:52
#21593
Finish
26.22 mi15:29:134:07:279:278:26
8:17
#21398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25543105001050024085(Top 85%)9717(Top 79%)9717(Top 178%)
10K6.21 mi3.10 mi25070+47310264+23610264+23624625(Top 87%)10031(Top 82%)10031(Top 183%)
15K9.32 mi3.11 mi24760+31010091+17310091+17324085(Top 85%)9717(Top 79%)9717(Top 178%)
20K12.43 mi3.11 mi24279+4819847+2449847+24422722(Top 80%)8984(Top 73%)8984(Top 164%)
Half13.11 mi0.68 mi24165+1149785+629785+6221709(Top 76%)8428(Top 69%)8428(Top 154%)
25K15.53 mi2.42 mi23675+4909514+2719514+27121059(Top 74%)8133(Top 67%)8133(Top 149%)
30K18.64 mi3.11 mi23022+6539201+3139201+31319908(Top 70%)7615(Top 62%)7615(Top 139%)
20M20.00 mi1.36 mi22712+3109053+1489053+14817931(Top 63%)6680(Top 55%)6680(Top 122%)
21M21.00 mi1.00 mi22456+2568919+1348919+13417657(Top 62%)6628(Top 54%)6628(Top 121%)
35K21.75 mi0.75 mi22321+1358862+578862+5718077(Top 64%)6959(Top 57%)6959(Top 127%)
23M23.00 mi1.25 mi22046+2758744+1188744+11817416(Top 61%)6679(Top 55%)6679(Top 122%)
24M24.00 mi1.00 mi21832+2148647+978647+9716460(Top 58%)6196(Top 51%)6196(Top 113%)
40K24.85 mi0.85 mi21679+1538588+598588+5916513(Top 58%)6336(Top 52%)6336(Top 116%)
25.2M25.20 mi0.35 mi21593+868539+498539+4916496(Top 58%)6357(Top 52%)6357(Top 116%)
Finish26.22 mi1.02 mi21398+1958444+958444+9514813(Top 52%)5386(Top 44%)5386(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24085

Females

9717

F18-39

9717

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24625

Females

10031

F18-39

10031

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24085

Females

9717

F18-39

9717

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22722

Females

8984

F18-39

8984

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21709

Females

8428

F18-39

8428

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

21059

Females

8133

F18-39

8133

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19908

Females

7615

F18-39

7615

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17931

Females

6680

F18-39

6680

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17657

Females

6628

F18-39

6628

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18077

Females

6959

F18-39

6959

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17416

Females

6679

F18-39

6679

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16460

Females

6196

F18-39

6196

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16513

Females

6336

F18-39

6336

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16496

Females

6357

F18-39

6357

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14813

Females

5386

F18-39

5386

Passing Analysis

Category:
Athletes Passed
4225
Passed By
80
Net Change
+4145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25543
5K → 10K50835+473#25543#25070
10K → 15K33828+310#25070#24760
15K → 20K4832+481#24760#24279
20K → Half1140+114#24279#24165
Half → 25K4911+490#24165#23675
25K → 30K6563+653#23675#23022
30K → 20M3133+310#23022#22712
20M → 21M2571+256#22712#22456
21M → 35K1372+135#22456#22321
35K → 23M2761+275#22321#22046
23M → 24M2151+214#22046#21832
24M → 40K1552+153#21832#21679
40K → 25.2M860+86#21679#21593
25.2M → Finish1961+195#21593#21398
TOTALS422580+4145
📊

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