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BOSTON MARATHON 2025

Jason Huynh

Bib: 3871•M

VT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:39
Rank: #4972
Start → 5K
20:39 | 6:39/mi
10K· 6.21 mi
41:20
Rank: #4935 (+37)
5K → 10K
20:41 | 6:39/mi
15K· 9.32 mi
1:01:52
Rank: #4679 (+256)
10K → 15K
20:32 | 6:37/mi
20K· 12.43 mi
1:22:08
Rank: #4243 (+436)
15K → 20K
20:16 | 6:31/mi
Half· 13.11 mi
1:26:26
Rank: #4106 (+137)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:41:12
Rank: #3472 (+634)
Half → 25K
14:46 | 6:05/mi
30K· 18.64 mi
1:59:55
Rank: #2624 (+848)
25K → 30K
18:43 | 6:01/mi
20M
2:08:05
Rank: #2337 (+287)
30K → 20M
8:10 | 6:01/mi
21M
2:14:19
Rank: #2137 (+200)
20M → 21M
6:14 | 6:14/mi
35K· 21.75 mi
2:18:37
Rank: #2001 (+136)
21M → 35K
4:18 | 5:45/mi
23M
2:26:09
Rank: #1788 (+213)
35K → 23M
7:32 | 6:01/mi
24M
2:32:03
Rank: #1671 (+117)
23M → 24M
5:54 | 5:54/mi
40K· 24.85 mi
2:37:10
Rank: #1549 (+122)
24M → 40K
5:07 | 5:59/mi
25.2M
2:39:26
Rank: #1511 (+38)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:45:27
Rank: #1445 (+66)
25.2M → Finish
6:01 | 5:54/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:26
Pace6:36 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:19:01
Pace6:02 /mi
📊Negative Split: 8.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3320:396:3920:39
6:39
-
10K
6.21 mi10:43:1441:206:3920:41
6:39
0:00
15K
9.32 mi11:03:461:01:526:3820:32
6:37
-0:02
20K
12.43 mi11:24:021:22:086:3720:16
6:31
-0:06
Half
13.11 mi11:28:201:26:266:364:18
6:18
-0:13
25K
15.53 mi11:43:061:41:126:3114:46
6:05
-0:13
30K
18.64 mi12:01:491:59:556:2618:43
6:01
-0:04
20M
20.00 mi12:09:592:08:056:248:10
6:01
0:00
21M
21.00 mi12:16:132:14:196:246:14
6:14
+0:13
35K
21.75 mi12:20:312:18:376:224:18
5:45
-0:29
23M
23.00 mi12:28:032:26:096:217:32
6:01
+0:16
24M
24.00 mi12:33:572:32:036:205:54
5:54
-0:07
40K
24.85 mi12:39:042:37:106:195:07
5:59
+0:05
25.2M
25.20 mi12:41:202:39:266:202:16
6:34
+0:35
Finish
26.22 mi12:47:212:45:276:196:01
5:54
-0:40

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

5:45 /mi

Average Pace

6:19 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:03

49% of race

Time at Steady Pace

1:24:24

51% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:22:3320:396:3920:39
6:39
#4972
10K
6.21 mi10:43:1441:206:3920:41
6:39
#4935
15K
9.32 mi11:03:461:01:526:3820:32
6:37
#4679
20K
12.43 mi11:24:021:22:086:3720:16
6:31
#4243
Half
13.11 mi11:28:201:26:266:364:18
6:18
#4106
25K
15.53 mi11:43:061:41:126:3114:46
6:05
#3472
30K
18.64 mi12:01:491:59:556:2618:43
6:01
#2624
20M
20.00 mi12:09:592:08:056:248:10
6:01
#2337
21M
21.00 mi12:16:132:14:196:246:14
6:14
#2137
35K
21.75 mi12:20:312:18:376:224:18
5:45
#2001
23M
23.00 mi12:28:032:26:096:217:32
6:01
#1788
24M
24.00 mi12:33:572:32:036:205:54
5:54
#1671
40K
24.85 mi12:39:042:37:106:195:07
5:59
#1549
25.2M
25.20 mi12:41:202:39:266:202:16
6:34
#1511
Finish
26.22 mi12:47:212:45:276:196:01
5:54
#1445
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4972464646464287(Top 15%)4025(Top 25%)4025(Top 71%)
10K6.21 mi3.10 mi4935+374603+434603+434923(Top 17%)4593(Top 29%)4593(Top 81%)
15K9.32 mi3.11 mi4679+2564378+2254378+2254287(Top 15%)4025(Top 25%)4025(Top 71%)
20K12.43 mi3.11 mi4243+4363988+3903988+3903242(Top 11%)3072(Top 19%)3072(Top 54%)
Half13.11 mi0.68 mi4106+1373862+1263862+1262470(Top 9%)2359(Top 15%)2359(Top 42%)
25K15.53 mi2.42 mi3472+6343292+5703292+5701062(Top 4%)1005(Top 6%)1005(Top 18%)
30K18.64 mi3.11 mi2624+8482503+7892503+789540(Top 2%)503(Top 3%)503(Top 9%)
20M20.00 mi1.36 mi2337+2872229+2742229+274406(Top 1%)380(Top 2%)380(Top 7%)
21M21.00 mi1.00 mi2137+2002036+1932036+193300(Top 1%)281(Top 2%)281(Top 5%)
35K21.75 mi0.75 mi2001+1361902+1341902+134333(Top 1%)311(Top 2%)311(Top 6%)
23M23.00 mi1.25 mi1788+2131696+2061696+206377(Top 1%)355(Top 2%)355(Top 6%)
24M24.00 mi1.00 mi1671+1171582+1141582+114408(Top 1%)379(Top 2%)379(Top 7%)
40K24.85 mi0.85 mi1549+1221464+1181464+118380(Top 1%)353(Top 2%)353(Top 6%)
25.2M25.20 mi0.35 mi1511+381427+371427+37578(Top 2%)538(Top 3%)538(Top 10%)
Finish26.22 mi1.02 mi1445+661363+641363+64702(Top 2%)662(Top 4%)662(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4287

Males

4025

M18-39

4025

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4923

Males

4593

M18-39

4593

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4287

Males

4025

M18-39

4025

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3242

Males

3072

M18-39

3072

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2470

Males

2359

M18-39

2359

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1062

Males

1005

M18-39

1005

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

540

Males

503

M18-39

503

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

406

Males

380

M18-39

380

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

300

Males

281

M18-39

281

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

333

Males

311

M18-39

311

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

377

Males

355

M18-39

355

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

408

Males

379

M18-39

379

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

380

Males

353

M18-39

353

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

578

Males

538

M18-39

538

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

702

Males

662

M18-39

662

Passing Analysis

Category:
Athletes Passed
3710
Passed By
183
Net Change
+3527
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4972
5K → 10K191154+37#4972#4935
10K → 15K27923+256#4935#4679
15K → 20K4371+436#4679#4243
20K → Half1370+137#4243#4106
Half → 25K6340+634#4106#3472
25K → 30K8480+848#3472#2624
30K → 20M2870+287#2624#2337
20M → 21M2000+200#2337#2137
21M → 35K1360+136#2137#2001
35K → 23M2130+213#2001#1788
23M → 24M1181+117#1788#1671
24M → 40K1220+122#1671#1549
40K → 25.2M380+38#1549#1511
25.2M → Finish704+66#1511#1445
TOTALS3710183+3527
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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