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BOSTON MARATHON 2025

Natalie Richards

Bib: 17203•F

ON

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0:00
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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
8:07/mi
25:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
50:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:15:30
↑ 67↓ 78
20K· 12.43 mi
8:26/mi
1:41:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:47:22
↑ 19↓ 370.5%
25K· 15.53 mi
8:39/mi
2:08:21
↑ 66↓ 880.2%
30K· 18.64 mi
9:41/mi
2:38:26
↑ 181↓ 1480.2%
20M
9:32/mi
2:51:23
↑ 64↓ 500.2%
21M
10:39/mi
3:02:02
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:08:52
↑ 17↓ 861.7%
23M
11:12/mi
3:22:54
↑ 23↓ 630.6%
24M
9:51/mi
3:32:45
↓ 821.3%
40K· 24.85 mi
9:39/mi
3:41:00
↓ 200.3%
25.2M
9:49/mi
3:44:23
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:53:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:05:41
Pace9:35 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0925:128:0725:12
8:07
-
10K
6.21 mi11:43:0950:128:0525:00
8:03
-0:04
15K
9.32 mi12:08:271:15:308:0625:18
8:09
+0:06
20K
12.43 mi12:34:381:41:418:1126:11
8:26
+0:17
Half
13.11 mi12:40:191:47:228:115:41
8:20
-0:06
25K
15.53 mi13:01:182:08:218:1620:59
8:39
+0:19
30K
18.64 mi13:31:232:38:268:3030:05
9:41
+1:02
20M
20.00 mi13:44:202:51:238:3412:57
9:32
-0:09
21M
21.00 mi13:54:593:02:028:4010:39
10:39
+1:07
35K
21.75 mi14:01:493:08:528:416:50
9:08
-1:31
23M
23.00 mi14:15:513:22:548:4914:02
11:12
+2:04
24M
24.00 mi14:25:423:32:458:529:51
9:51
-1:21
40K
24.85 mi14:33:573:41:008:538:15
9:39
-0:12
25.2M
25.20 mi14:37:203:44:238:543:23
9:49
+0:10
Finish
26.22 mi14:46:003:53:038:548:40
8:30
-1:19

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

8:03 /mi

Average Pace

8:54 /mi

Slowest Pace

11:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:01

59% of race

Time at Steady Pace

19:47

8% of race

Time at Slower Pace

1:16:15

33% of race

Average Pace: 8:53 /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 mi11:18:0925:128:0725:12
8:07
#17452
10K
6.21 mi11:43:0950:128:0525:00
8:03
#17121
15K
9.32 mi12:08:271:15:308:0625:18
8:09
#17092
20K
12.43 mi12:34:381:41:418:1126:11
8:26
#17231
Half
13.11 mi12:40:191:47:228:115:41
8:20
#17270
25K
15.53 mi13:01:182:08:218:1620:59
8:39
#17369
30K
18.64 mi13:31:232:38:268:3030:05
9:41
#18118
20M
20.00 mi13:44:202:51:238:3412:57
9:32
#18224
21M
21.00 mi13:54:593:02:028:4010:39
10:39
#18416
35K
21.75 mi14:01:493:08:528:416:50
9:08
#18451
23M
23.00 mi14:15:513:22:548:4914:02
11:12
#18995
24M
24.00 mi14:25:423:32:458:529:51
9:51
#19114
40K
24.85 mi14:33:573:41:008:538:15
9:39
#19117
25.2M
25.20 mi14:37:203:44:238:543:23
9:49
#19057
Finish
26.22 mi14:46:003:53:038:548:40
8:30
#18959
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi174526007600717054(Top 60%)5766(Top 47%)5766(Top 105%)
10K6.21 mi3.10 mi17121+3315801+2065801+20616837(Top 59%)5614(Top 46%)5614(Top 103%)
15K9.32 mi3.11 mi17092+295771+305771+3017054(Top 60%)5766(Top 47%)5766(Top 105%)
20K12.43 mi3.11 mi17231-1395877-1065877-10617735(Top 62%)6189(Top 51%)6189(Top 113%)
Half13.11 mi0.68 mi17270-395909-325909-3218204(Top 64%)6454(Top 53%)6454(Top 118%)
25K15.53 mi2.42 mi17369-995979-705979-7018136(Top 64%)6502(Top 53%)6502(Top 119%)
30K18.64 mi3.11 mi18118-7496462-4836462-48320638(Top 73%)8009(Top 65%)8009(Top 146%)
20M20.00 mi1.36 mi18224-1066542-806542-8019320(Top 68%)7431(Top 61%)7431(Top 136%)
21M21.00 mi1.00 mi18416-1926679-1376679-13720449(Top 72%)8149(Top 67%)8149(Top 149%)
35K21.75 mi0.75 mi18451-356708-296708-2918904(Top 67%)7401(Top 61%)7401(Top 135%)
23M23.00 mi1.25 mi18995-5447045-3377045-33723696(Top 83%)9946(Top 81%)9946(Top 182%)
24M24.00 mi1.00 mi19114-1197129-847129-8420902(Top 74%)8552(Top 70%)8552(Top 156%)
40K24.85 mi0.85 mi19117-37157-287157-2819284(Top 68%)7775(Top 64%)7775(Top 142%)
25.2M25.20 mi0.35 mi19057+607141+167141+1616234(Top 57%)6219(Top 51%)6219(Top 114%)
Finish26.22 mi1.02 mi18959+987106+357106+3516286(Top 57%)6190(Top 51%)6190(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

17054

Females

5766

F18-39

5766

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16837

Females

5614

F18-39

5614

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

17054

Females

5766

F18-39

5766

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17735

Females

6189

F18-39

6189

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18204

Females

6454

F18-39

6454

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18136

Females

6502

F18-39

6502

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20638

Females

8009

F18-39

8009

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19320

Females

7431

F18-39

7431

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

20449

Females

8149

F18-39

8149

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

18904

Females

7401

F18-39

7401

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23696

Females

9946

F18-39

9946

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

20902

Females

8552

F18-39

8552

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19284

Females

7775

F18-39

7775

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16234

Females

6219

F18-39

6219

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16286

Females

6190

F18-39

6190

Passing Analysis

Category:
Athletes Passed
1563
Passed By
3070
Net Change
-1507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17452
5K → 10K483152+331#17452#17121
10K → 15K218189+29#17121#17092
15K → 20K147286-139#17092#17231
20K → Half1857-39#17231#17270
Half → 25K139238-99#17270#17369
25K → 30K76825-749#17369#18118
30K → 20M87193-106#18118#18224
20M → 21M47239-192#18224#18416
21M → 35K4479-35#18416#18451
35K → 23M25569-544#18451#18995
23M → 24M29148-119#18995#19114
24M → 40K7275-3#19114#19117
40K → 25.2M688+60#19117#19057
25.2M → Finish11012+98#19057#18959
TOTALS15633070-1507
📊

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