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BOSTON MARATHON 2025

Gavin Isbell

Bib: 2381•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:55
Rank: #1369
Start → 5K
18:55 | 6:05/mi
10K· 6.21 mi
37:37
Rank: #1238 (+131)
5K → 10K
18:42 | 6:01/mi
15K· 9.32 mi
56:18
Rank: #1169 (+69)
10K → 15K
18:41 | 6:01/mi
20K· 12.43 mi
1:14:54
Rank: #1064 (+105)
15K → 20K
18:36 | 5:59/mi
Half· 13.11 mi
1:18:55
Rank: #1045 (+19)
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:33:18
Rank: #967 (+78)
Half → 25K
14:23 | 5:56/mi
30K· 18.64 mi
1:52:11
Rank: #876 (+91)
25K → 30K
18:53 | 6:05/mi
20M
2:00:34
Rank: #833 (+43)
30K → 20M
8:23 | 6:10/mi
21M
2:06:59
Rank: #802 (+31)
20M → 21M
6:25 | 6:25/mi
35K· 21.75 mi
2:11:24
Rank: #773 (+29)
21M → 35K
4:25 | 5:54/mi
23M
2:19:16
Rank: #763 (+10)
35K → 23M
7:52 | 6:17/mi
24M
2:25:21
Rank: #743 (+20)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:30:38
Rank: #727 (+16)
24M → 40K
5:17 | 6:11/mi
25.2M
2:32:55
Rank: #717 (+10)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:38:44
Rank: #692 (+25)
25.2M → Finish
5:49 | 5:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:55
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:19:49
Pace6:05 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5018:556:0518:55
6:05
-
10K
6.21 mi10:38:3237:376:0318:42
6:01
-0:04
15K
9.32 mi10:57:1356:186:0218:41
6:01
0:00
20K
12.43 mi11:15:491:14:546:0218:36
5:59
-0:02
Half
13.11 mi11:19:501:18:556:014:01
5:53
-0:06
25K
15.53 mi11:34:131:33:186:0014:23
5:56
+0:03
30K
18.64 mi11:53:061:52:116:0118:53
6:05
+0:09
20M
20.00 mi12:01:292:00:346:028:23
6:10
+0:05
21M
21.00 mi12:07:542:06:596:036:25
6:25
+0:15
35K
21.75 mi12:12:192:11:246:034:25
5:54
-0:31
23M
23.00 mi12:20:112:19:166:037:52
6:17
+0:23
24M
24.00 mi12:26:162:25:216:036:05
6:05
-0:12
40K
24.85 mi12:31:332:30:386:045:17
6:11
+0:06
25.2M
25.20 mi12:33:502:32:556:042:17
6:37
+0:26
Finish
26.22 mi12:39:392:38:446:045:49
5:42
-0:55

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

5:42 /mi

Average Pace

6:04 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:10

90% of race

Time at Steady Pace

16:34

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:19:5018:556:0518:55
6:05
#1369
10K
6.21 mi10:38:3237:376:0318:42
6:01
#1238
15K
9.32 mi10:57:1356:186:0218:41
6:01
#1169
20K
12.43 mi11:15:491:14:546:0218:36
5:59
#1064
Half
13.11 mi11:19:501:18:556:014:01
5:53
#1045
25K
15.53 mi11:34:131:33:186:0014:23
5:56
#967
30K
18.64 mi11:53:061:52:116:0118:53
6:05
#876
20M
20.00 mi12:01:292:00:346:028:23
6:10
#833
21M
21.00 mi12:07:542:06:596:036:25
6:25
#802
35K
21.75 mi12:12:192:11:246:034:25
5:54
#773
23M
23.00 mi12:20:112:19:166:037:52
6:17
#763
24M
24.00 mi12:26:162:25:216:036:05
6:05
#743
40K
24.85 mi12:31:332:30:386:045:17
6:11
#727
25.2M
25.20 mi12:33:502:32:556:042:17
6:37
#717
Finish
26.22 mi12:39:392:38:446:045:49
5:42
#692
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1369130113011071(Top 4%)1012(Top 6%)1012(Top 18%)
10K6.21 mi3.10 mi1238+1311175+1261175+1261150(Top 4%)1088(Top 7%)1088(Top 19%)
15K9.32 mi3.11 mi1169+691107+681107+681071(Top 4%)1012(Top 6%)1012(Top 18%)
20K12.43 mi3.11 mi1064+1051004+1031004+103834(Top 3%)784(Top 5%)784(Top 14%)
Half13.11 mi0.68 mi1045+19985+19985+19799(Top 3%)753(Top 5%)753(Top 13%)
25K15.53 mi2.42 mi967+78913+72913+72644(Top 2%)597(Top 4%)597(Top 11%)
30K18.64 mi3.11 mi876+91824+89824+89634(Top 2%)592(Top 4%)592(Top 10%)
20M20.00 mi1.36 mi833+43782+42782+42656(Top 2%)616(Top 4%)616(Top 11%)
21M21.00 mi1.00 mi802+31752+30752+30539(Top 2%)509(Top 3%)509(Top 9%)
35K21.75 mi0.75 mi773+29723+29723+29533(Top 2%)497(Top 3%)497(Top 9%)
23M23.00 mi1.25 mi763+10714+9714+9834(Top 3%)787(Top 5%)787(Top 14%)
24M24.00 mi1.00 mi743+20694+20694+20729(Top 3%)684(Top 4%)684(Top 12%)
40K24.85 mi0.85 mi727+16678+16678+16686(Top 2%)641(Top 4%)641(Top 11%)
25.2M25.20 mi0.35 mi717+10668+10668+10623(Top 2%)578(Top 4%)578(Top 10%)
Finish26.22 mi1.02 mi692+25643+25643+25376(Top 1%)353(Top 2%)353(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1071

Males

1012

M18-39

1012

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1150

Males

1088

M18-39

1088

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1071

Males

1012

M18-39

1012

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

834

Males

784

M18-39

784

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

799

Males

753

M18-39

753

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

644

Males

597

M18-39

597

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

634

Males

592

M18-39

592

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

656

Males

616

M18-39

616

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

539

Males

509

M18-39

509

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

533

Males

497

M18-39

497

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

834

Males

787

M18-39

787

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

729

Males

684

M18-39

684

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

686

Males

641

M18-39

641

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

623

Males

578

M18-39

578

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

376

Males

353

M18-39

353

Passing Analysis

Category:
Athletes Passed
737
Passed By
60
Net Change
+677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1369
5K → 10K14413+131#1369#1238
10K → 15K7910+69#1238#1169
15K → 20K1061+105#1169#1064
20K → Half190+19#1064#1045
Half → 25K813+78#1045#967
25K → 30K954+91#967#876
30K → 20M474+43#876#833
20M → 21M310+31#833#802
21M → 35K312+29#802#773
35K → 23M2616+10#773#763
23M → 24M233+20#763#743
24M → 40K171+16#743#727
40K → 25.2M111+10#727#717
25.2M → Finish272+25#717#692
TOTALS73760+677
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing