Boston Marathon logo
BOSTON MARATHON 2025

Natalie Riches

Bib: 29728•F

0:00
0:00
/ mi
Be the first to cheer!
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
9:43/mi
30:11
↑ 97↓ 3451.5%
10K· 6.21 mi
10:05/mi
1:01:31
↑ 79↓ 1380.4%
15K· 9.32 mi
11:03/mi
1:35:52
↑ 67↓ 78
20K· 12.43 mi
12:44/mi
2:15:25
↑ 106↓ 860.1%
Half· 13.11 mi
11:54/mi
2:23:32
↑ 19↓ 370.5%
25K· 15.53 mi
13:21/mi
2:55:54
↑ 66↓ 880.2%
30K· 18.64 mi
13:15/mi
3:37:04
↑ 181↓ 1480.2%
20M
12:14/mi
3:53:41
↑ 64↓ 500.2%
21M
13:15/mi
4:06:56
↑ 106↓ 241.6%
35K· 21.75 mi
11:42/mi
4:15:41
↑ 17↓ 861.7%
23M
13:04/mi
4:32:02
↑ 23↓ 630.6%
24M
11:19/mi
4:43:21
↓ 821.3%
40K· 24.85 mi
13:29/mi
4:54:53
↓ 200.3%
25.2M
14:27/mi
4:59:52
↑ 13↓ 160.2%
Finish· 26.22 mi
10:21/mi
5:10:25
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:32
Pace10:57 /mi
2nd Half
Distance13.11 mi
Time2:46:53
Pace12:44 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1430:119:4330:11
9:43
-
10K
6.21 mi12:19:341:01:319:5431:20
10:05
+0:22
15K
9.32 mi12:53:551:35:5210:1734:21
11:03
+0:58
20K
12.43 mi13:33:282:15:2510:5439:33
12:44
+1:41
Half
13.11 mi13:41:352:23:3210:578:07
11:54
-0:50
25K
15.53 mi14:13:572:55:5411:1932:22
13:21
+1:27
30K
18.64 mi14:55:073:37:0411:3941:10
13:15
-0:06
20M
20.00 mi15:11:443:53:4111:4116:37
12:14
-1:01
21M
21.00 mi15:24:594:06:5611:4613:15
13:15
+1:01
35K
21.75 mi15:33:444:15:4111:458:45
11:42
-1:33
23M
23.00 mi15:50:054:32:0211:5016:21
13:04
+1:22
24M
24.00 mi16:01:244:43:2111:4811:19
11:19
-1:45
40K
24.85 mi16:12:564:54:5311:5211:32
13:29
+2:10
25.2M
25.20 mi16:17:554:59:5211:544:59
14:27
+0:58
Finish
26.22 mi16:28:285:10:2511:5110:33
10:21
-4:06

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

9:43 /mi

Average Pace

11:51 /mi

Slowest Pace

14:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:44

38% of race

Time at Steady Pace

1:13:02

24% of race

Time at Slower Pace

1:59:39

39% of race

Average Pace: 11:50 /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 mi11:48:1430:119:4330:11
9:43
#24874
10K
6.21 mi12:19:341:01:319:5431:20
10:05
#25182
15K
9.32 mi12:53:551:35:5210:1734:21
11:03
#25885
20K
12.43 mi13:33:282:15:2510:5439:33
12:44
#26631
Half
13.11 mi13:41:352:23:3210:578:07
11:54
#26691
25K
15.53 mi14:13:572:55:5411:1932:22
13:21
#26937
30K
18.64 mi14:55:073:37:0411:3941:10
13:15
#26955
20M
20.00 mi15:11:443:53:4111:4116:37
12:14
#26881
21M
21.00 mi15:24:594:06:5611:4613:15
13:15
#26814
35K
21.75 mi15:33:444:15:4111:458:45
11:42
#26786
23M
23.00 mi15:50:054:32:0211:5016:21
13:04
#26775
24M
24.00 mi16:01:244:43:2111:4811:19
11:19
#26700
40K
24.85 mi16:12:564:54:5311:5211:32
13:29
#26715
25.2M
25.20 mi16:17:554:59:5211:544:59
14:27
#26723
Finish
26.22 mi16:28:285:10:2511:5110:33
10:21
#26665
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24874101481014826733(Top 94%)11218(Top 92%)11218(Top 205%)
10K6.21 mi3.10 mi25182-30810329-18110329-18125496(Top 90%)10522(Top 86%)10522(Top 192%)
15K9.32 mi3.11 mi25885-70310714-38510714-38526733(Top 94%)11218(Top 92%)11218(Top 205%)
20K12.43 mi3.11 mi26631-74611137-42311137-42327671(Top 97%)11803(Top 97%)11803(Top 216%)
Half13.11 mi0.68 mi26691-6011170-3311170-3327368(Top 96%)11624(Top 95%)11624(Top 213%)
25K15.53 mi2.42 mi26937-24611345-17511345-17527531(Top 97%)11734(Top 96%)11734(Top 215%)
30K18.64 mi3.11 mi26955-1811367-2211367-2226920(Top 95%)11443(Top 94%)11443(Top 209%)
20M20.00 mi1.36 mi26881+7411339+2811339+2825567(Top 90%)10789(Top 88%)10789(Top 197%)
21M21.00 mi1.00 mi26814+6711307+3211307+3225365(Top 89%)10746(Top 88%)10746(Top 196%)
35K21.75 mi0.75 mi26786+2811301+611301+625387(Top 89%)10793(Top 88%)10793(Top 197%)
23M23.00 mi1.25 mi26775+11113011130126436(Top 93%)11316(Top 93%)11316(Top 207%)
24M24.00 mi1.00 mi26700+7511270+3111270+3124587(Top 87%)10431(Top 85%)10431(Top 191%)
40K24.85 mi0.85 mi26715-1511283-1311283-1326744(Top 94%)11515(Top 94%)11515(Top 211%)
25.2M25.20 mi0.35 mi26723-811293-1011293-1026684(Top 94%)11510(Top 94%)11510(Top 210%)
Finish26.22 mi1.02 mi26665+5811269+2411269+2423899(Top 84%)10127(Top 83%)10127(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

26733

Females

11218

F18-39

11218

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25496

Females

10522

F18-39

10522

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

26733

Females

11218

F18-39

11218

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27671

Females

11803

F18-39

11803

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27368

Females

11624

F18-39

11624

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

27531

Females

11734

F18-39

11734

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

26920

Females

11443

F18-39

11443

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25567

Females

10789

F18-39

10789

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25365

Females

10746

F18-39

10746

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25387

Females

10793

F18-39

10793

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26436

Females

11316

F18-39

11316

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24587

Females

10431

F18-39

10431

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26744

Females

11515

F18-39

11515

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26684

Females

11510

F18-39

11510

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23899

Females

10127

F18-39

10127

Passing Analysis

Category:
Athletes Passed
619
Passed By
2410
Net Change
-1791
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24874
5K → 10K87395-308#24874#25182
10K → 15K15718-703#25182#25885
15K → 20K11757-746#25885#26631
20K → Half767-60#26631#26691
Half → 25K19265-246#26691#26937
25K → 30K7795-18#26937#26955
30K → 20M828+74#26955#26881
20M → 21M7912+67#26881#26814
21M → 35K379+28#26814#26786
35K → 23M4231+11#26786#26775
23M → 24M783+75#26775#26700
24M → 40K1833-15#26700#26715
40K → 25.2M715-8#26715#26723
25.2M → Finish602+58#26723#26665
TOTALS6192410-1791
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing