Boston Marathon logo
BOSTON MARATHON 2025

Erik Small

Bib: 5770•M

NC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 28%
Division (M18-39)
#0 / 5642
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
6:52/mi
21:21
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:04:22
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:25:28
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:30:06
↑ 19↓ 370.5%
25K· 15.53 mi
6:58/mi
1:46:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:03/mi
2:08:53
↑ 181↓ 1480.2%
20M
6:54/mi
2:18:15
↑ 64↓ 500.2%
21M
7:12/mi
2:25:27
↑ 106↓ 241.6%
35K· 21.75 mi
6:48/mi
2:30:32
↑ 17↓ 861.7%
23M
6:59/mi
2:39:16
↑ 23↓ 630.6%
24M
6:37/mi
2:45:53
↓ 821.3%
40K· 24.85 mi
6:56/mi
2:51:49
↓ 200.3%
25.2M
7:47/mi
2:54:30
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:01:34
↑ 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
Time1:30:06
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:31:28
Pace6:59 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:4821:216:5221:21
6:52
-
10K
6.21 mi10:47:5442:276:5021:06
6:47
-0:05
15K
9.32 mi11:09:491:04:226:5421:55
7:03
+0:16
20K
12.43 mi11:30:551:25:286:5321:06
6:47
-0:16
Half
13.11 mi11:35:331:30:066:524:38
6:47
0:00
25K
15.53 mi11:52:261:46:596:5316:53
6:58
+0:11
30K
18.64 mi12:14:202:08:536:5521:54
7:03
+0:05
20M
20.00 mi12:23:422:18:156:559:22
6:54
-0:09
21M
21.00 mi12:30:542:25:276:567:12
7:12
+0:18
35K
21.75 mi12:35:592:30:326:555:05
6:48
-0:24
23M
23.00 mi12:44:432:39:166:558:44
6:59
+0:11
24M
24.00 mi12:51:202:45:536:556:37
6:37
-0:22
40K
24.85 mi12:57:162:51:496:555:56
6:56
+0:19
25.2M
25.20 mi12:59:572:54:306:552:41
7:47
+0:51
Finish
26.22 mi13:07:013:01:346:567:04
6:56
-0:51

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

6:37 /mi

Average Pace

6:56 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:53

99% of race

Time at Steady Pace

2:41

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:55 /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 mi10:26:4821:216:5221:21
6:52
#6837
10K
6.21 mi10:47:5442:276:5021:06
6:47
#6585
15K
9.32 mi11:09:491:04:226:5421:55
7:03
#7112
20K
12.43 mi11:30:551:25:286:5321:06
6:47
#6640
Half
13.11 mi11:35:331:30:066:524:38
6:47
#6612
25K
15.53 mi11:52:261:46:596:5316:53
6:58
#6465
30K
18.64 mi12:14:202:08:536:5521:54
7:03
#6056
20M
20.00 mi12:23:422:18:156:559:22
6:54
#5815
21M
21.00 mi12:30:542:25:276:567:12
7:12
#5615
35K
21.75 mi12:35:592:30:326:555:05
6:48
#5543
23M
23.00 mi12:44:432:39:166:558:44
6:59
#5350
24M
24.00 mi12:51:202:45:536:556:37
6:37
#5185
40K
24.85 mi12:57:162:51:496:555:56
6:56
#5085
25.2M
25.20 mi12:59:572:54:306:552:41
7:47
#5062
Finish
26.22 mi13:07:013:01:346:567:04
6:56
#5025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6837618061807976(Top 28%)6922(Top 43%)6922(Top 123%)
10K6.21 mi3.10 mi6585+2525977+2035977+2036284(Top 22%)5707(Top 35%)5707(Top 101%)
15K9.32 mi3.11 mi7112-5276369-3926369-3927976(Top 28%)6922(Top 43%)6922(Top 123%)
20K12.43 mi3.11 mi6640+4725992+3775992+3775197(Top 18%)4786(Top 30%)4786(Top 85%)
Half13.11 mi0.68 mi6612+285972+205972+205998(Top 21%)5419(Top 34%)5419(Top 96%)
25K15.53 mi2.42 mi6465+1475839+1335839+1336054(Top 21%)5439(Top 34%)5439(Top 96%)
30K18.64 mi3.11 mi6056+4095478+3615478+3614992(Top 18%)4531(Top 28%)4531(Top 80%)
20M20.00 mi1.36 mi5815+2415279+1995279+1993476(Top 12%)3212(Top 20%)3212(Top 57%)
21M21.00 mi1.00 mi5615+2005114+1655114+1653130(Top 11%)2887(Top 18%)2887(Top 51%)
35K21.75 mi0.75 mi5543+725046+685046+684074(Top 14%)3649(Top 23%)3649(Top 65%)
23M23.00 mi1.25 mi5350+1934876+1704876+1703611(Top 13%)3267(Top 20%)3267(Top 58%)
24M24.00 mi1.00 mi5185+1654725+1514725+1512562(Top 9%)2356(Top 15%)2356(Top 42%)
40K24.85 mi0.85 mi5085+1004633+924633+923559(Top 13%)3155(Top 20%)3155(Top 56%)
25.2M25.20 mi0.35 mi5062+234610+234610+234716(Top 17%)3914(Top 24%)3914(Top 69%)
Finish26.22 mi1.02 mi5025+374569+414569+415291(Top 19%)4302(Top 27%)4302(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7976

Males

6922

M18-39

6922

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6284

Males

5707

M18-39

5707

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7976

Males

6922

M18-39

6922

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5197

Males

4786

M18-39

4786

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5998

Males

5419

M18-39

5419

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

6054

Males

5439

M18-39

5439

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

4992

Males

4531

M18-39

4531

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3476

Males

3212

M18-39

3212

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3130

Males

2887

M18-39

2887

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

4074

Males

3649

M18-39

3649

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3611

Males

3267

M18-39

3267

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2562

Males

2356

M18-39

2356

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3559

Males

3155

M18-39

3155

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4716

Males

3914

M18-39

3914

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5291

Males

4302

M18-39

4302

Passing Analysis

Category:
Athletes Passed
2609
Passed By
797
Net Change
+1812
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6837
5K → 10K33987+252#6837#6585
10K → 15K38565-527#6585#7112
15K → 20K4753+472#7112#6640
20K → Half4416+28#6640#6612
Half → 25K19649+147#6612#6465
25K → 30K42617+409#6465#6056
30K → 20M2465+241#6056#5815
20M → 21M2022+200#5815#5615
21M → 35K786+72#5615#5543
35K → 23M2018+193#5543#5350
23M → 24M1672+165#5350#5185
24M → 40K1077+100#5185#5085
40K → 25.2M3613+23#5085#5062
25.2M → Finish5417+37#5062#5025
TOTALS2609797+1812
📊

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