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BOSTON MARATHON 2025

Marie Nalepova

Bib: 19545•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:26/mi
26:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:33/mi
52:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:35/mi
1:19:25
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:45/mi
1:46:36
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:12/mi
1:52:12
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:32/mi
2:12:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:50/mi
2:40:19
↑ 181↓ 1480.2%
138 ft elev
20M
8:40/mi
2:52:05
↑ 64↓ 500.2%
148 ft elev
21M
8:54/mi
3:00:59
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:09/mi
3:07:05
↑ 17↓ 861.7%
156 ft elev
23M
8:22/mi
3:17:34
↑ 23↓ 630.6%
116 ft elev
24M
8:10/mi
3:25:44
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:24/mi
3:32:55
↓ 200.3%
20 ft elev
25.2M
8:54/mi
3:35:59
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:43/mi
3:43:51
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:52:12
Pace8:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:51:39
Pace8:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2226:138:2626:13
8:26
-
10K
6.21 mi11:44:5552:468:3026:33
8:33
+0:07
15K
9.32 mi12:11:341:19:258:3126:39
8:35
+0:02
20K
12.43 mi12:38:451:46:368:3527:11
8:45
+0:10
Half
13.11 mi12:44:211:52:128:345:36
8:12
-0:33
25K
15.53 mi13:05:022:12:538:3320:41
8:32
+0:20
30K
18.64 mi13:32:282:40:198:3627:26
8:50
+0:18
20M
20.00 mi13:44:142:52:058:3611:46
8:40
-0:10
21M
21.00 mi13:53:083:00:598:378:54
8:54
+0:14
35K
21.75 mi13:59:143:07:058:366:06
8:09
-0:45
23M
23.00 mi14:09:433:17:348:3510:29
8:22
+0:13
24M
24.00 mi14:17:533:25:448:348:10
8:10
-0:12
40K
24.85 mi14:25:043:32:558:347:11
8:24
+0:14
25.2M
25.20 mi14:28:083:35:598:343:04
8:54
+0:30
Finish
26.22 mi14:36:003:43:518:337:52
7:43
-1:11

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

7:43 /mi

Average Pace

8:33 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:37

32% of race

Time at Steady Pace

2:32:14

68% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:32 /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 mi11:18:2226:138:2626:13
8:26
#19529
10K
6.21 mi11:44:5552:468:3026:33
8:33
#19789
15K
9.32 mi12:11:341:19:258:3126:39
8:35
#19802
20K
12.43 mi12:38:451:46:368:3527:11
8:45
#19751
Half
13.11 mi12:44:211:52:128:345:36
8:12
#19629
25K
15.53 mi13:05:022:12:538:3320:41
8:32
#19224
30K
18.64 mi13:32:282:40:198:3627:26
8:50
#18752
20M
20.00 mi13:44:142:52:058:3611:46
8:40
#18454
21M
21.00 mi13:53:083:00:598:378:54
8:54
#18123
35K
21.75 mi13:59:143:07:058:366:06
8:09
#17942
23M
23.00 mi14:09:433:17:348:3510:29
8:22
#17599
24M
24.00 mi14:17:533:25:448:348:10
8:10
#17369
40K
24.85 mi14:25:043:32:558:347:11
8:24
#17182
25.2M
25.20 mi14:28:083:35:598:343:04
8:54
#17088
Finish
26.22 mi14:36:003:43:518:337:52
7:43
#16855
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi195297212721219793(Top 70%)7326(Top 60%)7326(Top 134%)
10K6.21 mi3.10 mi19789-2607347-1357347-13520068(Top 71%)7500(Top 61%)7500(Top 137%)
15K9.32 mi3.11 mi19802-137348-17348-119793(Top 70%)7326(Top 60%)7326(Top 134%)
20K12.43 mi3.11 mi19751+517333+157333+1519679(Top 69%)7299(Top 60%)7299(Top 133%)
Half13.11 mi0.68 mi19629+1227265+687265+6817371(Top 61%)5970(Top 49%)5970(Top 109%)
25K15.53 mi2.42 mi19224+4057039+2267039+22617379(Top 61%)6068(Top 50%)6068(Top 111%)
30K18.64 mi3.11 mi18752+4726801+2386801+23816783(Top 59%)5910(Top 48%)5910(Top 108%)
20M20.00 mi1.36 mi18454+2986670+1316670+13114843(Top 52%)4971(Top 41%)4971(Top 91%)
21M21.00 mi1.00 mi18123+3316505+1656505+16512978(Top 46%)4121(Top 34%)4121(Top 75%)
35K21.75 mi0.75 mi17942+1816410+956410+9513383(Top 47%)4382(Top 36%)4382(Top 80%)
23M23.00 mi1.25 mi17599+3436275+1356275+13512547(Top 44%)4032(Top 33%)4032(Top 74%)
24M24.00 mi1.00 mi17369+2306172+1036172+10312407(Top 44%)4013(Top 33%)4013(Top 73%)
40K24.85 mi0.85 mi17182+1876092+806092+8012862(Top 45%)4382(Top 36%)4382(Top 80%)
25.2M25.20 mi0.35 mi17088+946055+376055+3711321(Top 40%)3695(Top 30%)3695(Top 68%)
Finish26.22 mi1.02 mi16855+2335939+1165939+11610901(Top 38%)3422(Top 28%)3422(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19793

Females

7326

F18-39

7326

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20068

Females

7500

F18-39

7500

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19793

Females

7326

F18-39

7326

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19679

Females

7299

F18-39

7299

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17371

Females

5970

F18-39

5970

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17379

Females

6068

F18-39

6068

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16783

Females

5910

F18-39

5910

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14843

Females

4971

F18-39

4971

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12978

Females

4121

F18-39

4121

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13383

Females

4382

F18-39

4382

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12547

Females

4032

F18-39

4032

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12407

Females

4013

F18-39

4013

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12862

Females

4382

F18-39

4382

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11321

Females

3695

F18-39

3695

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10901

Females

3422

F18-39

3422

Passing Analysis

Category:
Athletes Passed
3557
Passed By
883
Net Change
+2674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19529
5K → 10K166426-260#19529#19789
10K → 15K188201-13#19789#19802
15K → 20K219168+51#19802#19751
20K → Half1242+122#19751#19629
Half → 25K42520+405#19629#19224
25K → 30K50432+472#19224#18752
30K → 20M3035+298#18752#18454
20M → 21M3343+331#18454#18123
21M → 35K1854+181#18123#17942
35K → 23M3463+343#17942#17599
23M → 24M2333+230#17599#17369
24M → 40K1925+187#17369#17182
40K → 25.2M995+94#17182#17088
25.2M → Finish2396+233#17088#16855
TOTALS3557883+2674
📊

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