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BOSTON MARATHON 2025

Marina Richwin

Bib: 1694•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Female)
#0 / 12228
Top 0.4%
Division (F18-39)
#0 / 5469
Top 0.8%
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
6:08/mi
19:03
↑ 97↓ 3451.5%
10K· 6.21 mi
6:04/mi
37:53
↑ 79↓ 1380.4%
15K· 9.32 mi
6:08/mi
56:55
↑ 67↓ 78
20K· 12.43 mi
6:06/mi
1:15:52
↑ 106↓ 860.1%
Half· 13.11 mi
5:58/mi
1:19:56
↑ 19↓ 370.5%
25K· 15.53 mi
6:05/mi
1:34:42
↑ 66↓ 880.2%
30K· 18.64 mi
6:18/mi
1:54:16
↑ 181↓ 1480.2%
20M
6:18/mi
2:02:50
↑ 64↓ 500.2%
21M
6:37/mi
2:09:27
↑ 106↓ 241.6%
35K· 21.75 mi
6:01/mi
2:13:57
↑ 17↓ 861.7%
23M
6:15/mi
2:21:46
↑ 23↓ 630.6%
24M
6:07/mi
2:27:53
↓ 821.3%
40K· 24.85 mi
6:08/mi
2:33:08
↓ 200.3%
25.2M
6:26/mi
2:35:21
↑ 13↓ 160.2%
Finish· 26.22 mi
5:47/mi
2:41:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:56
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:21:19
Pace6:12 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4519:036:0819:03
6:08
-
10K
6.21 mi10:38:3537:536:0618:50
6:04
-0:04
15K
9.32 mi10:57:3756:556:0619:02
6:08
+0:04
20K
12.43 mi11:16:341:15:526:0618:57
6:06
-0:02
Half
13.11 mi11:20:381:19:566:064:04
5:58
-0:08
25K
15.53 mi11:35:241:34:426:0614:46
6:05
+0:07
30K
18.64 mi11:54:581:54:166:0819:34
6:18
+0:13
20M
20.00 mi12:03:322:02:506:088:34
6:18
0:00
21M
21.00 mi12:10:092:09:276:106:37
6:37
+0:19
35K
21.75 mi12:14:392:13:576:104:30
6:01
-0:36
23M
23.00 mi12:22:282:21:466:107:49
6:15
+0:14
24M
24.00 mi12:28:352:27:536:106:07
6:07
-0:08
40K
24.85 mi12:33:502:33:086:105:15
6:08
+0:01
25.2M
25.20 mi12:36:032:35:216:102:13
6:26
+0:18
Finish
26.22 mi12:41:572:41:156:095:54
5:47
-0:39

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

5:47 /mi

Average Pace

6:09 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:25

95% of race

Time at Steady Pace

8:50

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:09 /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 mi10:19:4519:036:0819:03
6:08
#1542
10K
6.21 mi10:38:3537:536:0618:50
6:04
#1421
15K
9.32 mi10:57:3756:556:0619:02
6:08
#1433
20K
12.43 mi11:16:341:15:526:0618:57
6:06
#1347
Half
13.11 mi11:20:381:19:566:064:04
5:58
#1333
25K
15.53 mi11:35:241:34:426:0614:46
6:05
#1267
30K
18.64 mi11:54:581:54:166:0819:34
6:18
#1231
20M
20.00 mi12:03:322:02:506:088:34
6:18
#1199
21M
21.00 mi12:10:092:09:276:106:37
6:37
#1151
35K
21.75 mi12:14:392:13:576:104:30
6:01
#1117
23M
23.00 mi12:22:282:21:466:107:49
6:15
#1052
24M
24.00 mi12:28:352:27:536:106:07
6:07
#1026
40K
24.85 mi12:33:502:33:086:105:15
6:08
#994
25.2M
25.20 mi12:36:032:35:216:102:13
6:26
#970
Finish
26.22 mi12:41:572:41:156:095:54
5:47
#935
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi154268681511(Top 5%)69(Top 0.6%)69(Top 1%)
10K6.21 mi3.10 mi1421+12164+464+41341(Top 5%)64(Top 0.5%)64(Top 1%)
15K9.32 mi3.11 mi1433-1268-468-41511(Top 5%)69(Top 0.6%)69(Top 1%)
20K12.43 mi3.11 mi1347+8664+464+41174(Top 4%)60(Top 0.5%)60(Top 1%)
Half13.11 mi0.68 mi1333+1464641057(Top 4%)50(Top 0.4%)50(Top 0.9%)
25K15.53 mi2.42 mi1267+6664641070(Top 4%)56(Top 0.5%)56(Top 1%)
30K18.64 mi3.11 mi1231+3663+163+11204(Top 4%)61(Top 0.5%)61(Top 1%)
20M20.00 mi1.36 mi1199+3262+162+1988(Top 3%)51(Top 0.4%)51(Top 0.9%)
21M21.00 mi1.00 mi1151+4860+260+2987(Top 3%)46(Top 0.4%)46(Top 0.8%)
35K21.75 mi0.75 mi1117+3458+258+2772(Top 3%)46(Top 0.4%)46(Top 0.8%)
23M23.00 mi1.25 mi1052+6556+256+2766(Top 3%)40(Top 0.3%)40(Top 0.7%)
24M24.00 mi1.00 mi1026+2654+254+2824(Top 3%)45(Top 0.4%)45(Top 0.8%)
40K24.85 mi0.85 mi994+325454636(Top 2%)39(Top 0.3%)39(Top 0.7%)
25.2M25.20 mi0.35 mi970+2453+153+1382(Top 1%)24(Top 0.2%)24(Top 0.4%)
Finish26.22 mi1.02 mi935+355353507(Top 2%)29(Top 0.2%)29(Top 0.5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1511

Females

69

F18-39

69

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1341

Females

64

F18-39

64

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1511

Females

69

F18-39

69

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1174

Females

60

F18-39

60

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1057

Females

50

F18-39

50

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1070

Females

56

F18-39

56

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1204

Females

61

F18-39

61

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

988

Females

51

F18-39

51

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

987

Females

46

F18-39

46

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

772

Females

46

F18-39

46

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

766

Females

40

F18-39

40

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

824

Females

45

F18-39

45

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

636

Females

39

F18-39

39

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

382

Females

24

F18-39

24

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

507

Females

29

F18-39

29

Passing Analysis

Category:
Athletes Passed
797
Passed By
190
Net Change
+607
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1542
5K → 10K14524+121#1542#1421
10K → 15K4961-12#1421#1433
15K → 20K10216+86#1433#1347
20K → Half206+14#1347#1333
Half → 25K7812+66#1333#1267
25K → 30K6529+36#1267#1231
30K → 20M4917+32#1231#1199
20M → 21M502+48#1199#1151
21M → 35K351+34#1151#1117
35K → 23M7510+65#1117#1052
23M → 24M315+26#1052#1026
24M → 40K342+32#1026#994
40K → 25.2M240+24#994#970
25.2M → Finish405+35#970#935
TOTALS797190+607
📊

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