Boston Marathon logo
BOSTON MARATHON 2025

Alex Robins

Bib: 15896•F

ON

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
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
7:44/mi
24:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:12:05
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:36:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:41:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
2:00:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:25:42
↑ 181↓ 1480.2%
20M
8:41/mi
2:37:30
↑ 64↓ 500.2%
21M
8:50/mi
2:46:20
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:52:26
↑ 17↓ 861.7%
23M
8:48/mi
3:03:27
↑ 23↓ 630.6%
24M
8:56/mi
3:12:23
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:19:53
↓ 200.3%
25.2M
8:54/mi
3:22:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:31:03
↑ 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
Time1:41:32
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:49:31
Pace8:21 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0624:027:4424:02
7:44
-
10K
6.21 mi11:21:0648:027:4424:00
7:43
-0:01
15K
9.32 mi11:45:091:12:057:4424:03
7:44
+0:01
20K
12.43 mi12:09:241:36:207:4524:15
7:48
+0:04
Half
13.11 mi12:14:361:41:327:455:12
7:37
-0:11
25K
15.53 mi12:33:322:00:287:4518:56
7:49
+0:12
30K
18.64 mi12:58:462:25:427:4925:14
8:07
+0:18
20M
20.00 mi13:10:342:37:307:5211:48
8:41
+0:34
21M
21.00 mi13:19:242:46:207:558:50
8:50
+0:09
35K
21.75 mi13:25:302:52:267:566:06
8:09
-0:41
23M
23.00 mi13:36:313:03:277:5911:01
8:48
+0:39
24M
24.00 mi13:45:273:12:238:018:56
8:56
+0:08
40K
24.85 mi13:52:573:19:538:037:30
8:46
-0:10
25.2M
25.20 mi13:56:013:22:578:033:04
8:54
+0:08
Finish
26.22 mi14:04:073:31:038:038:06
7:57
-0:57

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

7:37 /mi

Average Pace

8:03 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:54

76% of race

Time at Steady Pace

51:09

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi10:57:0624:027:4424:02
7:44
#14273
10K
6.21 mi11:21:0648:027:4424:00
7:43
#14155
15K
9.32 mi11:45:091:12:057:4424:03
7:44
#14059
20K
12.43 mi12:09:241:36:207:4524:15
7:48
#13824
Half
13.11 mi12:14:361:41:327:455:12
7:37
#13751
25K
15.53 mi12:33:322:00:287:4518:56
7:49
#13484
30K
18.64 mi12:58:462:25:427:4925:14
8:07
#13231
20M
20.00 mi13:10:342:37:307:5211:48
8:41
#13342
21M
21.00 mi13:19:242:46:207:558:50
8:50
#13250
35K
21.75 mi13:25:302:52:267:566:06
8:09
#13242
23M
23.00 mi13:36:313:03:277:5911:01
8:48
#13344
24M
24.00 mi13:45:273:12:238:018:56
8:56
#13515
40K
24.85 mi13:52:573:19:538:037:30
8:46
#13582
25.2M
25.20 mi13:56:013:22:578:033:04
8:54
#13524
Finish
26.22 mi14:04:073:31:038:038:06
7:57
#13493
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142734083408313879(Top 49%)3942(Top 32%)3942(Top 72%)
10K6.21 mi3.10 mi14155+1184031+524031+5214134(Top 50%)4038(Top 33%)4038(Top 74%)
15K9.32 mi3.11 mi14059+964010+214010+2113879(Top 49%)3942(Top 32%)3942(Top 72%)
20K12.43 mi3.11 mi13824+2353914+963914+9613325(Top 47%)3725(Top 30%)3725(Top 68%)
Half13.11 mi0.68 mi13751+733886+283886+2812854(Top 45%)3433(Top 28%)3433(Top 63%)
25K15.53 mi2.42 mi13484+2673765+1213765+12112458(Top 44%)3374(Top 28%)3374(Top 62%)
30K18.64 mi3.11 mi13231+2533685+803685+8012267(Top 43%)3429(Top 28%)3429(Top 63%)
20M20.00 mi1.36 mi13342-1113766-813766-8114951(Top 53%)5010(Top 41%)5010(Top 92%)
21M21.00 mi1.00 mi13250+923747+193747+1912544(Top 44%)3891(Top 32%)3891(Top 71%)
35K21.75 mi0.75 mi13242+83763-163763-1613330(Top 47%)4329(Top 35%)4329(Top 79%)
23M23.00 mi1.25 mi13344-1023864-1013864-10115109(Top 53%)5388(Top 44%)5388(Top 99%)
24M24.00 mi1.00 mi13515-1713982-1183982-11817025(Top 60%)6507(Top 53%)6507(Top 119%)
40K24.85 mi0.85 mi13582-674052-704052-7015033(Top 53%)5528(Top 45%)5528(Top 101%)
25.2M25.20 mi0.35 mi13524+584025+274025+2711268(Top 40%)3642(Top 30%)3642(Top 67%)
Finish26.22 mi1.02 mi13493+314034-94034-912568(Top 44%)4225(Top 35%)4225(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13879

Females

3942

F18-39

3942

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14134

Females

4038

F18-39

4038

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13879

Females

3942

F18-39

3942

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13325

Females

3725

F18-39

3725

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12854

Females

3433

F18-39

3433

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12458

Females

3374

F18-39

3374

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12267

Females

3429

F18-39

3429

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14951

Females

5010

F18-39

5010

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12544

Females

3891

F18-39

3891

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13330

Females

4329

F18-39

4329

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15109

Females

5388

F18-39

5388

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17025

Females

6507

F18-39

6507

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15033

Females

5528

F18-39

5528

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11268

Females

3642

F18-39

3642

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12568

Females

4225

F18-39

4225

Passing Analysis

Category:
Athletes Passed
2301
Passed By
1521
Net Change
+780
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14273
5K → 10K332214+118#14273#14155
10K → 15K253157+96#14155#14059
15K → 20K32590+235#14059#13824
20K → Half796+73#13824#13751
Half → 25K30639+267#13751#13484
25K → 30K383130+253#13484#13231
30K → 20M76187-111#13231#13342
20M → 21M14856+92#13342#13250
21M → 35K6254+8#13250#13242
35K → 23M79181-102#13242#13344
23M → 24M43214-171#13344#13515
24M → 40K58125-67#13515#13582
40K → 25.2M7315+58#13582#13524
25.2M → Finish8453+31#13524#13493
TOTALS23011521+780
📊

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