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BOSTON MARATHON 2025

Duc Thai Vo

Bib: 28523•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:35
Rank: #20221
Start → 5K
26:35 | 8:33/mi
10K· 6.21 mi
52:07
Rank: #19160 (+1061)
5K → 10K
25:32 | 8:13/mi
15K· 9.32 mi
1:17:50
Rank: #18726 (+434)
10K → 15K
25:43 | 8:17/mi
20K· 12.43 mi
1:43:43
Rank: #18281 (+445)
15K → 20K
25:53 | 8:20/mi
Half· 13.11 mi
1:49:20
Rank: #18230 (+51)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:09:34
Rank: #17864 (+366)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:39:27
Rank: #18470 (-606)
25K → 30K
29:53 | 9:37/mi
20M
2:53:17
Rank: #18815 (-345)
30K → 20M
13:50 | 10:11/mi
21M
3:03:16
Rank: #18765 (+50)
20M → 21M
9:59 | 9:59/mi
35K· 21.75 mi
3:10:38
Rank: #18910 (-145)
21M → 35K
7:22 | 9:51/mi
23M
3:22:23
Rank: #18869 (+41)
35K → 23M
11:45 | 9:23/mi
24M
3:31:09
Rank: #18765 (+104)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:38:42
Rank: #18608 (+157)
24M → 40K
7:33 | 8:50/mi
25.2M
3:42:07
Rank: #18566 (+42)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:50:30
Rank: #18430 (+136)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:20
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time2:01:10
Pace9:15 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2226:358:3326:35
8:33
-
10K
6.21 mi12:10:5452:078:2325:32
8:13
-0:20
15K
9.32 mi12:36:371:17:508:2125:43
8:17
+0:04
20K
12.43 mi13:02:301:43:438:2125:53
8:20
+0:03
Half
13.11 mi13:08:071:49:208:205:37
8:14
-0:06
25K
15.53 mi13:28:212:09:348:2020:14
8:21
+0:07
30K
18.64 mi13:58:142:39:278:3329:53
9:37
+1:16
20M
20.00 mi14:12:042:53:178:4013:50
10:11
+0:34
21M
21.00 mi14:22:033:03:168:449:59
9:59
-0:12
35K
21.75 mi14:29:253:10:388:467:22
9:51
-0:08
23M
23.00 mi14:41:103:22:238:4811:45
9:23
-0:28
24M
24.00 mi14:49:563:31:098:488:46
8:46
-0:37
40K
24.85 mi14:57:293:38:428:487:33
8:50
+0:04
25.2M
25.20 mi15:00:543:42:078:493:25
9:54
+1:04
Finish
26.22 mi15:09:173:50:308:488:23
8:14
-1:40

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

8:13 /mi

Average Pace

8:48 /mi

Slowest Pace

10:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:22

48% of race

Time at Steady Pace

42:54

19% of race

Time at Slower Pace

1:16:14

33% of race

Average Pace: 8:47 /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 mi11:45:2226:358:3326:35
8:33
#20221
10K
6.21 mi12:10:5452:078:2325:32
8:13
#19160
15K
9.32 mi12:36:371:17:508:2125:43
8:17
#18726
20K
12.43 mi13:02:301:43:438:2125:53
8:20
#18281
Half
13.11 mi13:08:071:49:208:205:37
8:14
#18230
25K
15.53 mi13:28:212:09:348:2020:14
8:21
#17864
30K
18.64 mi13:58:142:39:278:3329:53
9:37
#18470
20M
20.00 mi14:12:042:53:178:4013:50
10:11
#18815
21M
21.00 mi14:22:033:03:168:449:59
9:59
#18765
35K
21.75 mi14:29:253:10:388:467:22
9:51
#18910
23M
23.00 mi14:41:103:22:238:4811:45
9:23
#18869
24M
24.00 mi14:49:563:31:098:488:46
8:46
#18765
40K
24.85 mi14:57:293:38:428:487:33
8:50
#18608
25.2M
25.20 mi15:00:543:42:078:493:25
9:54
#18566
Finish
26.22 mi15:09:173:50:308:488:23
8:14
#18430
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20221125331253317884(Top 63%)11586(Top 72%)11586(Top 205%)
10K6.21 mi3.10 mi19160+106112112+42112112+42118007(Top 63%)11661(Top 72%)11661(Top 207%)
15K9.32 mi3.11 mi18726+43411923+18911923+18917884(Top 63%)11586(Top 72%)11586(Top 205%)
20K12.43 mi3.11 mi18281+44511729+19411729+19417103(Top 60%)11228(Top 70%)11228(Top 199%)
Half13.11 mi0.68 mi18230+5111703+2611703+2617456(Top 61%)11395(Top 71%)11395(Top 202%)
25K15.53 mi2.42 mi17864+36611536+16711536+16716210(Top 57%)10739(Top 67%)10739(Top 190%)
30K18.64 mi3.11 mi18470-60611770-23411770-23420416(Top 72%)12477(Top 77%)12477(Top 221%)
20M20.00 mi1.36 mi18815-34511899-12911899-12921500(Top 76%)12813(Top 80%)12813(Top 227%)
21M21.00 mi1.00 mi18765+5011840+5911840+5918225(Top 64%)11266(Top 70%)11266(Top 200%)
35K21.75 mi0.75 mi18910-14511881-4111881-4121442(Top 75%)12638(Top 78%)12638(Top 224%)
23M23.00 mi1.25 mi18869+4111836+4511836+4518152(Top 64%)11047(Top 69%)11047(Top 196%)
24M24.00 mi1.00 mi18765+10411772+6411772+6416115(Top 57%)10088(Top 63%)10088(Top 179%)
40K24.85 mi0.85 mi18608+15711673+9911673+9915350(Top 54%)9598(Top 60%)9598(Top 170%)
25.2M25.20 mi0.35 mi18566+4211640+3311640+3316575(Top 58%)10168(Top 63%)10168(Top 180%)
Finish26.22 mi1.02 mi18430+13611558+8211558+8214444(Top 51%)9238(Top 57%)9238(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17884

Males

11586

M18-39

11586

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

18007

Males

11661

M18-39

11661

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17884

Males

11586

M18-39

11586

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17103

Males

11228

M18-39

11228

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17456

Males

11395

M18-39

11395

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16210

Males

10739

M18-39

10739

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20416

Males

12477

M18-39

12477

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21500

Males

12813

M18-39

12813

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18225

Males

11266

M18-39

11266

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21442

Males

12638

M18-39

12638

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18152

Males

11047

M18-39

11047

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16115

Males

10088

M18-39

10088

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15350

Males

9598

M18-39

9598

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16575

Males

10168

M18-39

10168

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14444

Males

9238

M18-39

9238

Passing Analysis

Category:
Athletes Passed
3399
Passed By
1608
Net Change
+1791
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20221
5K → 10K108322+1061#20221#19160
10K → 15K47642+434#19160#18726
15K → 20K47631+445#18726#18281
20K → Half7019+51#18281#18230
Half → 25K38317+366#18230#17864
25K → 30K98704-606#17864#18470
30K → 20M34379-345#18470#18815
20M → 21M13686+50#18815#18765
21M → 35K26171-145#18765#18910
35K → 23M12382+41#18910#18869
23M → 24M12319+104#18869#18765
24M → 40K16811+157#18765#18608
40K → 25.2M5513+42#18608#18566
25.2M → Finish14812+136#18566#18430
TOTALS33991608+1791
📊

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