Boston Marathon logo
BOSTON MARATHON 2025

Maria Velasco

Bib: 30517•F

CT

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
11:10/mi
34:43
↑ 97↓ 3451.5%
10K· 6.21 mi
11:15/mi
1:09:41
↑ 79↓ 1380.4%
15K· 9.32 mi
11:33/mi
1:45:34
↑ 67↓ 78
20K· 12.43 mi
12:20/mi
2:23:52
↑ 106↓ 860.1%
Half· 13.11 mi
10:58/mi
2:31:21
↑ 19↓ 370.5%
25K· 15.53 mi
13:36/mi
3:04:20
↑ 66↓ 880.2%
30K· 18.64 mi
12:55/mi
3:44:28
↑ 181↓ 1480.2%
20M
15:03/mi
4:04:55
↑ 64↓ 500.2%
21M
16:08/mi
4:21:03
↑ 106↓ 241.6%
35K· 21.75 mi
12:51/mi
4:30:40
↑ 17↓ 861.7%
23M
14:19/mi
4:48:35
↑ 23↓ 630.6%
24M
12:19/mi
5:00:54
↓ 821.3%
40K· 24.85 mi
13:09/mi
5:12:09
↓ 200.3%
25.2M
13:58/mi
5:16:58
↑ 13↓ 160.2%
Finish· 26.22 mi
12:15/mi
5:29:27
↑ 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
Time2:31:21
Pace11:33 /mi
2nd Half
Distance13.11 mi
Time2:58:06
Pace13:35 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:4834:4311:1034:43
11:10
-
10K
6.21 mi12:35:461:09:4111:1334:58
11:15
+0:05
15K
9.32 mi13:11:391:45:3411:2035:53
11:33
+0:18
20K
12.43 mi13:49:572:23:5211:3538:18
12:20
+0:47
Half
13.11 mi13:57:262:31:2111:337:29
10:58
-1:22
25K
15.53 mi14:30:253:04:2011:5232:59
13:36
+2:38
30K
18.64 mi15:10:333:44:2812:0240:08
12:55
-0:41
20M
20.00 mi15:31:004:04:5512:1520:27
15:03
+2:08
21M
21.00 mi15:47:084:21:0312:2616:08
16:08
+1:05
35K
21.75 mi15:56:454:30:4012:279:37
12:51
-3:17
23M
23.00 mi16:14:404:48:3512:3317:55
14:19
+1:28
24M
24.00 mi16:26:595:00:5412:3212:19
12:19
-2:00
40K
24.85 mi16:38:145:12:0912:3411:15
13:09
+0:50
25.2M
25.20 mi16:43:035:16:5812:354:49
13:58
+0:49
Finish
26.22 mi16:55:325:29:2712:3412:29
12:15
-1:43

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

10:58 /mi

Average Pace

12:34 /mi

Slowest Pace

16:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:03

34% of race

Time at Steady Pace

2:04:06

38% of race

Time at Slower Pace

1:32:18

28% of race

Average Pace: 12:34 /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 mi12:00:4834:4311:1034:43
11:10
#27739
10K
6.21 mi12:35:461:09:4111:1334:58
11:15
#27554
15K
9.32 mi13:11:391:45:3411:2035:53
11:33
#27464
20K
12.43 mi13:49:572:23:5211:3538:18
12:20
#27451
Half
13.11 mi13:57:262:31:2111:337:29
10:58
#27396
25K
15.53 mi14:30:253:04:2011:5232:59
13:36
#27490
30K
18.64 mi15:10:333:44:2812:0240:08
12:55
#27324
20M
20.00 mi15:31:004:04:5512:1520:27
15:03
#27408
21M
21.00 mi15:47:084:21:0312:2616:08
16:08
#27452
35K
21.75 mi15:56:454:30:4012:279:37
12:51
#27451
23M
23.00 mi16:14:404:48:3512:3317:55
14:19
#27476
24M
24.00 mi16:26:595:00:5412:3212:19
12:19
#27439
40K
24.85 mi16:38:145:12:0912:3411:15
13:09
#27412
25.2M
25.20 mi16:43:035:16:5812:354:49
13:58
#27397
Finish
26.22 mi16:55:325:29:2712:3412:29
12:15
#27407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27739117891178927268(Top 96%)11530(Top 94%)11530(Top 211%)
10K6.21 mi3.10 mi27554+18511672+11711672+11727335(Top 96%)11569(Top 95%)11569(Top 212%)
15K9.32 mi3.11 mi27464+9011635+3711635+3727268(Top 96%)11530(Top 94%)11530(Top 211%)
20K12.43 mi3.11 mi27451+1311629+611629+627377(Top 96%)11627(Top 95%)11627(Top 213%)
Half13.11 mi0.68 mi27396+5511602+2711602+2726451(Top 93%)11095(Top 91%)11095(Top 203%)
25K15.53 mi2.42 mi27490-9411679-7711679-7727673(Top 97%)11812(Top 97%)11812(Top 216%)
30K18.64 mi3.11 mi27324+16611599+8011599+8026596(Top 94%)11278(Top 92%)11278(Top 206%)
20M20.00 mi1.36 mi27408-8411653-5411653-5427886(Top 98%)12000(Top 98%)12000(Top 219%)
21M21.00 mi1.00 mi27452-4411681-2811681-2827866(Top 98%)11990(Top 98%)11990(Top 219%)
35K21.75 mi0.75 mi27451+111685-411685-426826(Top 94%)11506(Top 94%)11506(Top 210%)
23M23.00 mi1.25 mi27476-2511704-1911704-1927542(Top 97%)11875(Top 97%)11875(Top 217%)
24M24.00 mi1.00 mi27439+3711693+1111693+1126073(Top 92%)11163(Top 91%)11163(Top 204%)
40K24.85 mi0.85 mi27412+2711676+1711676+1726444(Top 93%)11356(Top 93%)11356(Top 208%)
25.2M25.20 mi0.35 mi27397+1511670+611670+626237(Top 92%)11313(Top 93%)11313(Top 207%)
Finish26.22 mi1.02 mi27407-1011675-511675-527060(Top 95%)11656(Top 95%)11656(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27268

Females

11530

F18-39

11530

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27335

Females

11569

F18-39

11569

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27268

Females

11530

F18-39

11530

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27377

Females

11627

F18-39

11627

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26451

Females

11095

F18-39

11095

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

27673

Females

11812

F18-39

11812

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26596

Females

11278

F18-39

11278

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27886

Females

12000

F18-39

12000

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27866

Females

11990

F18-39

11990

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

26826

Females

11506

F18-39

11506

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27542

Females

11875

F18-39

11875

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26073

Females

11163

F18-39

11163

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26444

Females

11356

F18-39

11356

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26237

Females

11313

F18-39

11313

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

27060

Females

11656

F18-39

11656

Passing Analysis

Category:
Athletes Passed
863
Passed By
531
Net Change
+332
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27739
5K → 10K21631+185#27739#27554
10K → 15K13545+90#27554#27464
15K → 20K8269+13#27464#27451
20K → Half605+55#27451#27396
Half → 25K34128-94#27396#27490
25K → 30K18014+166#27490#27324
30K → 20M1094-84#27324#27408
20M → 21M953-44#27408#27452
21M → 35K1312+1#27452#27451
35K → 23M1742-25#27451#27476
23M → 24M425+37#27476#27439
24M → 40K336+27#27439#27412
40K → 25.2M205+15#27412#27397
25.2M → Finish1222-10#27397#27407
TOTALS863531+332
📊

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