Boston Marathon logo
BOSTON MARATHON 2025

Erin Heaney

FL

Bib: 10521 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:03/mi
21:53
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:53/mi
43:16
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:56/mi
1:04:47
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:05/mi
1:26:48
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:08/mi
1:31:40
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:24/mi
1:49:37
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:53/mi
2:14:05
↑ 181↓ 1480.2%
138 ft elev
20M
9:12/mi
2:26:35
↑ 64↓ 500.2%
148 ft elev
21M
9:52/mi
2:36:27
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:59/mi
2:43:10
↑ 17↓ 861.7%
156 ft elev
23M
9:42/mi
2:55:19
↑ 23↓ 630.6%
116 ft elev
24M
8:26/mi
3:03:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:57/mi
3:11:24
↓ 200.3%
20 ft elev
25.2M
10:52/mi
3:15:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:47/mi
3:24:06
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:31:407:00 /mi⚡ faster
2nd Half
1:52:268:35 /mi+22.7%
Positive split — 22.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:537:033.11 mi21:53
7:03
-
10K
43:166:583.10 mi21:23
6:53
-0:10
15K
1:04:476:573.11 mi21:31
6:56
+0:03
20K
1:26:486:593.11 mi22:01
7:05
+0:09
Half(13.11 mi)
1:31:407:000.68 mi4:52
7:08
+0:03
25K
1:49:377:032.42 mi17:57
7:24
+0:16
30K
2:14:057:123.11 mi24:28
7:53
+0:29
20M
2:26:357:201.36 mi12:30
9:12
+1:19
21M
2:36:277:271.00 mi9:52
9:52
+0:40
35K
2:43:107:300.75 mi6:43
8:59
-0:53
23M
2:55:197:371.25 mi12:09
9:42
+0:43
24M
3:03:457:391.00 mi8:26
8:26
-1:16
40K
3:11:247:420.85 mi7:39
8:57
+0:31
25.2M
3:15:097:450.35 mi3:45
10:52
+1:55
Finish(26.22 mi)
3:24:067:471.02 mi8:57
8:47
-2:05
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:53 /mi

Average Pace

7:47 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:49:37

54% of race

Time at Steady Pace

56:13

28% of race

Time at Slower Pace

38:16

19% of race

Average Pace: 7:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi8184105210527143775775
10K3.10 mi7619+565866+186866+1867127738738
15K3.11 mi7446+173821+45821+457143775775
20K3.11 mi7399+47825-4825-47446912912
Half(13.11 mi)0.68 mi7449-50837-12837-12863813591359
25K2.42 mi7635-186918-81918-81921817411741
30K3.11 mi7980-3451103-1851103-1851046925272527
20M1.36 mi8772-7921450-3471450-3471777465726572
21M1.00 mi9405-6331757-3071757-3071777166686668
35K0.75 mi9754-3491934-1771934-1771812969656965
23M1.25 mi10531-7772368-4342368-4341945877537753
24M1.00 mi10675-1442487-1192487-1191410148674867
40K0.85 mi10874-1992625-1382625-1381600760346034
25.2M0.35 mi11071-1972745-1202745-1202025982798279
Finish(26.22 mi)1.02 mi11372-3012939-1942939-1941795170457045

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7143

Females

775

F18-39

775

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7127

Females

738

F18-39

738

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7143

Females

775

F18-39

775

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7446

Females

912

F18-39

912

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8638

Females

1359

F18-39

1359

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

9218

Females

1741

F18-39

1741

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10469

Females

2527

F18-39

2527

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17774

Females

6572

F18-39

6572

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17771

Females

6668

F18-39

6668

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18129

Females

6965

F18-39

6965

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19458

Females

7753

F18-39

7753

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14101

Females

4867

F18-39

4867

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16007

Females

6034

F18-39

6034

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20259

Females

8279

F18-39

8279

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17951

Females

7045

F18-39

7045

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#8184
5K → 10K
40605+565
#8184 → #7619
10K → 15K
54227+173
#7619 → #7446
15K → 20K
96143+47
#7446 → #7399
20K → Half
6414-50
#7399 → #7449
Half → 25K
24963-186
#7449 → #7635
25K → 30K
43994-345
#7635 → #7980
30K → 20M
80513-792
#7980 → #8772
20M → 21M
64512-633
#8772 → #9405
21M → 35K
36920-349
#9405 → #9754
35K → 23M
78813-777
#9754 → #10531
23M → 24M
18844-144
#10531 → #10675
24M → 40K
23031-199
#10675 → #10874
40K → 25.2M
2047-197
#10874 → #11071
25.2M → Finish
32322-301
#11071 → #11372
TOTALS
44941308-3188
#8184 → #11372

Passing Visualized

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