Boston Marathon logo
BOSTON MARATHON 2025

D'Arcy Arends

Bib: 13457•F

MB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
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
7:11/mi
22:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
44:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:04/mi
1:06:44
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:29:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:34:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:52:54
↑ 66↓ 880.2%
30K· 18.64 mi
9:02/mi
2:20:57
↑ 181↓ 1480.2%
20M
8:37/mi
2:32:39
↑ 64↓ 500.2%
21M
8:50/mi
2:41:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
2:48:07
↑ 17↓ 861.7%
23M
8:32/mi
2:58:48
↑ 23↓ 630.6%
24M
8:30/mi
3:07:18
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:14:47
↓ 200.3%
25.2M
9:05/mi
3:17:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:58/mi
3:26:02
↑ 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
Time1:34:31
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:51:31
Pace8:30 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1422:187:1122:18
7:11
-
10K
6.21 mi11:13:4244:467:1222:28
7:14
+0:03
15K
9.32 mi11:35:401:06:447:1021:58
7:04
-0:10
20K
12.43 mi11:58:311:29:357:1322:51
7:21
+0:17
Half
13.11 mi12:03:271:34:317:134:56
7:14
-0:07
25K
15.53 mi12:21:501:52:547:1618:23
7:35
+0:21
30K
18.64 mi12:49:532:20:577:3428:03
9:02
+1:27
20M
20.00 mi13:01:352:32:397:3811:42
8:37
-0:25
21M
21.00 mi13:10:252:41:297:418:50
8:50
+0:13
35K
21.75 mi13:17:032:48:077:446:38
8:52
+0:02
23M
23.00 mi13:27:442:58:487:4610:41
8:32
-0:20
24M
24.00 mi13:36:143:07:187:488:30
8:30
-0:02
40K
24.85 mi13:43:433:14:477:507:29
8:45
+0:15
25.2M
25.20 mi13:46:513:17:557:513:08
9:05
+0:20
Finish
26.22 mi13:54:583:26:027:528:07
7:58
-1:07

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

7:04 /mi

Average Pace

7:52 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:01

59% of race

Time at Steady Pace

53:50

26% of race

Time at Slower Pace

31:11

15% of race

Average Pace: 7:51 /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 mi10:51:1422:187:1122:18
7:11
#9300
10K
6.21 mi11:13:4244:467:1222:28
7:14
#9503
15K
9.32 mi11:35:401:06:447:1021:58
7:04
#8990
20K
12.43 mi11:58:311:29:357:1322:51
7:21
#9072
Half
13.11 mi12:03:271:34:317:134:56
7:14
#9082
25K
15.53 mi12:21:501:52:547:1618:23
7:35
#9302
30K
18.64 mi12:49:532:20:577:3428:03
9:02
#11129
20M
20.00 mi13:01:352:32:397:3811:42
8:37
#11350
21M
21.00 mi13:10:252:41:297:418:50
8:50
#11374
35K
21.75 mi13:17:032:48:077:446:38
8:52
#11659
23M
23.00 mi13:27:442:58:487:4610:41
8:32
#11753
24M
24.00 mi13:36:143:07:187:488:30
8:30
#11877
40K
24.85 mi13:43:433:14:477:507:29
8:45
#11991
25.2M
25.20 mi13:46:513:17:557:513:08
9:05
#11985
Finish
26.22 mi13:54:583:26:027:528:07
7:58
#12008
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9300151415148144(Top 29%)1096(Top 9%)1096(Top 20%)
10K6.21 mi3.10 mi9503-2031579-651579-659781(Top 34%)1735(Top 14%)1735(Top 32%)
15K9.32 mi3.11 mi8990+5131391+1881391+1888144(Top 29%)1096(Top 9%)1096(Top 20%)
20K12.43 mi3.11 mi9072-821449-581449-589528(Top 34%)1755(Top 14%)1755(Top 32%)
Half13.11 mi0.68 mi9082-101451-21451-29485(Top 33%)1728(Top 14%)1728(Top 32%)
25K15.53 mi2.42 mi9302-2201587-1361587-13610639(Top 37%)2403(Top 20%)2403(Top 44%)
30K18.64 mi3.11 mi11129-18272532-9452532-94517826(Top 63%)6485(Top 53%)6485(Top 119%)
20M20.00 mi1.36 mi11350-2212695-1632695-16314499(Top 51%)4768(Top 39%)4768(Top 87%)
21M21.00 mi1.00 mi11374-242747-522747-5212525(Top 44%)3872(Top 32%)3872(Top 71%)
35K21.75 mi0.75 mi11659-2852914-1672914-16717603(Top 62%)6678(Top 55%)6678(Top 122%)
23M23.00 mi1.25 mi11753-943005-913005-9113529(Top 48%)4535(Top 37%)4535(Top 83%)
24M24.00 mi1.00 mi11877-1243109-1043109-10414501(Top 51%)5086(Top 42%)5086(Top 93%)
40K24.85 mi0.85 mi11991-1143211-1023211-10214924(Top 53%)5469(Top 45%)5469(Top 100%)
25.2M25.20 mi0.35 mi11985+63216-53216-512316(Top 43%)4115(Top 34%)4115(Top 75%)
Finish26.22 mi1.02 mi12008-233251-353251-3512666(Top 45%)4259(Top 35%)4259(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8144

Females

1096

F18-39

1096

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9781

Females

1735

F18-39

1735

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8144

Females

1096

F18-39

1096

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9528

Females

1755

F18-39

1755

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9485

Females

1728

F18-39

1728

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10639

Females

2403

F18-39

2403

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17826

Females

6485

F18-39

6485

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14499

Females

4768

F18-39

4768

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12525

Females

3872

F18-39

3872

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17603

Females

6678

F18-39

6678

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13529

Females

4535

F18-39

4535

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14501

Females

5086

F18-39

5086

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14924

Females

5469

F18-39

5469

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12316

Females

4115

F18-39

4115

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12666

Females

4259

F18-39

4259

Passing Analysis

Category:
Athletes Passed
1422
Passed By
4128
Net Change
-2708
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9300
5K → 10K153356-203#9300#9503
10K → 15K53421+513#9503#8990
15K → 20K135217-82#8990#9072
20K → Half3242-10#9072#9082
Half → 25K103323-220#9082#9302
25K → 30K181843-1827#9302#11129
30K → 20M67288-221#11129#11350
20M → 21M81105-24#11350#11374
21M → 35K15300-285#11374#11659
35K → 23M86180-94#11659#11753
23M → 24M49173-124#11753#11877
24M → 40K52166-114#11877#11991
40K → 25.2M3428+6#11991#11985
25.2M → Finish6386-23#11985#12008
TOTALS14224128-2708
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing