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BOSTON MARATHON 2025

Toby Wong

Bib: 2874•M

CA

0:00
0:00
/ mi
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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
25:14
Rank: #17508
Start → 5K
25:14 | 8:07/mi
10K· 6.21 mi
50:43
Rank: #17697 (-189)
5K → 10K
25:29 | 8:12/mi
15K· 9.32 mi
1:16:20
Rank: #17694 (+3)
10K → 15K
25:37 | 8:15/mi
20K· 12.43 mi
1:41:37
Rank: #17187 (+507)
15K → 20K
25:17 | 8:08/mi
Half· 13.11 mi
1:46:57
Rank: #17063 (+124)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:06:44
Rank: #16694 (+369)
Half → 25K
19:47 | 8:10/mi
30K· 18.64 mi
2:34:45
Rank: #16849 (-155)
25K → 30K
28:01 | 9:01/mi
20M
2:46:50
Rank: #16775 (+74)
30K → 20M
12:05 | 8:54/mi
21M
2:56:48
Rank: #16826 (-51)
20M → 21M
9:58 | 9:58/mi
35K· 21.75 mi
3:03:47
Rank: #16942 (-116)
21M → 35K
6:59 | 9:20/mi
23M
3:16:09
Rank: #17212 (-270)
35K → 23M
12:22 | 9:53/mi
24M
3:26:14
Rank: #17496 (-284)
23M → 24M
10:05 | 10:05/mi
40K· 24.85 mi
3:34:48
Rank: #17651 (-155)
24M → 40K
8:34 | 10:01/mi
25.2M
3:38:39
Rank: #17729 (-78)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
3:48:40
Rank: #18004 (-275)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:57
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time2:01:43
Pace9:17 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:4525:148:0725:14
8:07
-
10K
6.21 mi10:52:1450:438:1025:29
8:12
+0:05
15K
9.32 mi11:17:511:16:208:1125:37
8:15
+0:03
20K
12.43 mi11:43:081:41:378:1125:17
8:08
-0:07
Half
13.11 mi11:48:281:46:578:095:20
7:49
-0:19
25K
15.53 mi12:08:152:06:448:0919:47
8:10
+0:21
30K
18.64 mi12:36:162:34:458:1828:01
9:01
+0:51
20M
20.00 mi12:48:212:46:508:2012:05
8:54
-0:07
21M
21.00 mi12:58:192:56:488:259:58
9:58
+1:04
35K
21.75 mi13:05:183:03:478:276:59
9:20
-0:38
23M
23.00 mi13:17:403:16:098:3212:22
9:53
+0:33
24M
24.00 mi13:27:453:26:148:3610:05
10:05
+0:12
40K
24.85 mi13:36:193:34:488:398:34
10:01
-0:04
25.2M
25.20 mi13:40:103:38:398:413:51
11:10
+1:09
Finish
26.22 mi13:50:113:48:408:4410:01
9:50
-1:20

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

7:49 /mi

Average Pace

8:44 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:44

55% of race

Time at Steady Pace

47:05

21% of race

Time at Slower Pace

54:51

24% of race

Average Pace: 8:43 /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 mi10:26:4525:148:0725:14
8:07
#17508
10K
6.21 mi10:52:1450:438:1025:29
8:12
#17697
15K
9.32 mi11:17:511:16:208:1125:37
8:15
#17694
20K
12.43 mi11:43:081:41:378:1125:17
8:08
#17187
Half
13.11 mi11:48:281:46:578:095:20
7:49
#17063
25K
15.53 mi12:08:152:06:448:0919:47
8:10
#16694
30K
18.64 mi12:36:162:34:458:1828:01
9:01
#16849
20M
20.00 mi12:48:212:46:508:2012:05
8:54
#16775
21M
21.00 mi12:58:192:56:488:259:58
9:58
#16826
35K
21.75 mi13:05:183:03:478:276:59
9:20
#16942
23M
23.00 mi13:17:403:16:098:3212:22
9:53
#17212
24M
24.00 mi13:27:453:26:148:3610:05
10:05
#17496
40K
24.85 mi13:36:193:34:488:398:34
10:01
#17651
25.2M
25.20 mi13:40:103:38:398:413:51
11:10
#17729
Finish
26.22 mi13:50:113:48:408:4410:01
9:50
#18004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17508114181141817685(Top 62%)11504(Top 71%)11504(Top 204%)
10K6.21 mi3.10 mi17697-18911499-8111499-8117899(Top 63%)11608(Top 72%)11608(Top 206%)
15K9.32 mi3.11 mi17694+311501-211501-217685(Top 62%)11504(Top 71%)11504(Top 204%)
20K12.43 mi3.11 mi17187+50711283+21811283+21815898(Top 56%)10703(Top 66%)10703(Top 190%)
Half13.11 mi0.68 mi17063+12411229+5411229+5414391(Top 51%)10084(Top 63%)10084(Top 179%)
25K15.53 mi2.42 mi16694+36911064+16511064+16515036(Top 53%)10246(Top 64%)10246(Top 182%)
30K18.64 mi3.11 mi16849-15511076-1211076-1217775(Top 63%)11269(Top 70%)11269(Top 200%)
20M20.00 mi1.36 mi16775+7411024+5211024+5216177(Top 57%)10437(Top 65%)10437(Top 185%)
21M21.00 mi1.00 mi16826-5111006+1811006+1818156(Top 64%)11230(Top 70%)11230(Top 199%)
35K21.75 mi0.75 mi16942-11611031-2511031-2519696(Top 69%)11822(Top 73%)11822(Top 210%)
23M23.00 mi1.25 mi17212-27011102-7111102-7120050(Top 71%)11918(Top 74%)11918(Top 211%)
24M24.00 mi1.00 mi17496-28411201-9911201-9921576(Top 76%)12620(Top 78%)12620(Top 224%)
40K24.85 mi0.85 mi17651-15511240-3911240-3920494(Top 72%)12034(Top 75%)12034(Top 213%)
25.2M25.20 mi0.35 mi17729-7811270-3011270-3021083(Top 74%)12324(Top 77%)12324(Top 218%)
Finish26.22 mi1.02 mi18004-27511382-11211382-11222367(Top 79%)12950(Top 80%)12950(Top 230%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17685

Males

11504

M18-39

11504

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17899

Males

11608

M18-39

11608

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17685

Males

11504

M18-39

11504

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15898

Males

10703

M18-39

10703

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14391

Males

10084

M18-39

10084

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15036

Males

10246

M18-39

10246

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17775

Males

11269

M18-39

11269

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16177

Males

10437

M18-39

10437

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18156

Males

11230

M18-39

11230

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19696

Males

11822

M18-39

11822

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20050

Males

11918

M18-39

11918

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21576

Males

12620

M18-39

12620

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20494

Males

12034

M18-39

12034

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21083

Males

12324

M18-39

12324

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22367

Males

12950

M18-39

12950

Passing Analysis

Category:
Athletes Passed
2002
Passed By
2498
Net Change
-496
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17508
5K → 10K200389-189#17508#17697
10K → 15K188185+3#17697#17694
15K → 20K52013+507#17694#17187
20K → Half1273+124#17187#17063
Half → 25K38213+369#17063#16694
25K → 30K167322-155#16694#16849
30K → 20M13864+74#16849#16775
20M → 21M99150-51#16775#16826
21M → 35K35151-116#16826#16942
35K → 23M59329-270#16942#17212
23M → 24M31315-284#17212#17496
24M → 40K29184-155#17496#17651
40K → 25.2M1290-78#17651#17729
25.2M → Finish15290-275#17729#18004
TOTALS20022498-496
📊

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