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BOSTON MARATHON 2025

Charles Hwang

Bib: 26907•M

MA

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
25:22
Rank: #17854
Start → 5K
25:22 | 8:10/mi
10K· 6.21 mi
49:58
Rank: #16843 (+1011)
5K → 10K
24:36 | 7:55/mi
15K· 9.32 mi
1:14:26
Rank: #16219 (+624)
10K → 15K
24:28 | 7:53/mi
20K· 12.43 mi
1:39:01
Rank: #15693 (+526)
15K → 20K
24:35 | 7:55/mi
Half· 13.11 mi
1:44:27
Rank: #15682 (+11)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:06:55
Rank: #16774 (-1092)
Half → 25K
22:28 | 9:16/mi
30K· 18.64 mi
2:39:14
Rank: #18394 (-1620)
25K → 30K
32:19 | 10:24/mi
20M
2:59:08
Rank: #20353 (-1959)
30K → 20M
19:54 | 14:39/mi
21M
3:17:18
Rank: #21899 (-1546)
20M → 21M
18:10 | 18:10/mi
35K· 21.75 mi
3:33:14
Rank: #23087 (-1188)
21M → 35K
15:56 | 21:18/mi
23M
3:51:55
Rank: #23706 (-619)
35K → 23M
18:41 | 14:55/mi
24M
4:02:07
Rank: #23633 (+73)
23M → 24M
10:12 | 10:12/mi
40K· 24.85 mi
4:14:02
Rank: #23867 (-234)
24M → 40K
11:55 | 13:56/mi
25.2M
4:18:31
Rank: #23908 (-41)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
4:30:07
Rank: #24025 (-117)
25.2M → Finish
11:36 | 11:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:27
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time2:45:40
Pace12:38 /mi
📊Positive Split: 58.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3025:228:1025:22
8:10
-
10K
6.21 mi12:11:0649:588:0224:36
7:55
-0:15
15K
9.32 mi12:35:341:14:267:5924:28
7:53
-0:02
20K
12.43 mi13:00:091:39:017:5824:35
7:55
+0:02
Half
13.11 mi13:05:351:44:277:585:26
7:58
+0:03
25K
15.53 mi13:28:032:06:558:1022:28
9:16
+1:18
30K
18.64 mi14:00:222:39:148:3332:19
10:24
+1:08
20M
20.00 mi14:20:162:59:088:5719:54
14:39
+4:15
21M
21.00 mi14:38:263:17:189:2418:10
18:10
+3:31
35K
21.75 mi14:54:223:33:149:4815:56
21:18
+3:08
23M
23.00 mi15:13:033:51:5510:0518:41
14:55
-6:23
24M
24.00 mi15:23:154:02:0710:0510:12
10:12
-4:43
40K
24.85 mi15:35:104:14:0210:1311:55
13:56
+3:44
25.2M
25.20 mi15:39:394:18:3110:164:29
13:00
-0:56
Finish
26.22 mi15:51:154:30:0710:1911:36
11:23
-1:37

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

7:53 /mi

Average Pace

10:19 /mi

Slowest Pace

21:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:27

39% of race

Time at Steady Pace

1:16:35

28% of race

Time at Slower Pace

1:29:05

33% of race

Average Pace: 10:18 /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 mi11:46:3025:228:1025:22
8:10
#17854
10K
6.21 mi12:11:0649:588:0224:36
7:55
#16843
15K
9.32 mi12:35:341:14:267:5924:28
7:53
#16219
20K
12.43 mi13:00:091:39:017:5824:35
7:55
#15693
Half
13.11 mi13:05:351:44:277:585:26
7:58
#15682
25K
15.53 mi13:28:032:06:558:1022:28
9:16
#16774
30K
18.64 mi14:00:222:39:148:3332:19
10:24
#18394
20M
20.00 mi14:20:162:59:088:5719:54
14:39
#20353
21M
21.00 mi14:38:263:17:189:2418:10
18:10
#21899
35K
21.75 mi14:54:223:33:149:4815:56
21:18
#23087
23M
23.00 mi15:13:033:51:5510:0518:41
14:55
#23706
24M
24.00 mi15:23:154:02:0710:0510:12
10:12
#23633
40K
24.85 mi15:35:104:14:0210:1311:55
13:56
#23867
25.2M
25.20 mi15:39:394:18:3110:164:29
13:00
#23908
Finish
26.22 mi15:51:154:30:0710:1911:36
11:23
#24025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17854115521155215041(Top 53%)10402(Top 65%)10402(Top 184%)
10K6.21 mi3.10 mi16843+101111161+39111161+39115804(Top 56%)10748(Top 67%)10748(Top 190%)
15K9.32 mi3.11 mi16219+62410909+25210909+25215041(Top 53%)10402(Top 65%)10402(Top 184%)
20K12.43 mi3.11 mi15693+52610669+24010669+24014195(Top 50%)9966(Top 62%)9966(Top 177%)
Half13.11 mi0.68 mi15682+1110655+1410655+1415605(Top 55%)10633(Top 66%)10633(Top 188%)
25K15.53 mi2.42 mi16774-109211094-43911094-43921043(Top 74%)12871(Top 80%)12871(Top 228%)
30K18.64 mi3.11 mi18394-162011741-64711741-64722716(Top 80%)13493(Top 84%)13493(Top 239%)
20M20.00 mi1.36 mi20353-195912547-80612547-80627709(Top 98%)15717(Top 98%)15717(Top 279%)
21M21.00 mi1.00 mi21899-154613236-68913236-68928296(Top 100%)16039(Top 100%)16039(Top 284%)
35K21.75 mi0.75 mi23087-118813745-50913745-50928390(Top 100%)16097(Top 100%)16097(Top 285%)
23M23.00 mi1.25 mi23706-61914006-26114006-26127883(Top 98%)15772(Top 98%)15772(Top 280%)
24M24.00 mi1.00 mi23633+7313955+5113955+5121939(Top 77%)12785(Top 79%)12785(Top 227%)
40K24.85 mi0.85 mi23867-23414055-10014055-10027131(Top 96%)15349(Top 95%)15349(Top 272%)
25.2M25.20 mi0.35 mi23908-4114071-1614071-1625040(Top 88%)14268(Top 89%)14268(Top 253%)
Finish26.22 mi1.02 mi24025-11714108-3714108-3725975(Top 91%)14769(Top 92%)14769(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15041

Males

10402

M18-39

10402

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15804

Males

10748

M18-39

10748

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15041

Males

10402

M18-39

10402

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14195

Males

9966

M18-39

9966

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15605

Males

10633

M18-39

10633

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21043

Males

12871

M18-39

12871

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22716

Males

13493

M18-39

13493

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

27709

Males

15717

M18-39

15717

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

28296

Males

16039

M18-39

16039

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

28390

Males

16097

M18-39

16097

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27883

Males

15772

M18-39

15772

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21939

Males

12785

M18-39

12785

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27131

Males

15349

M18-39

15349

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25040

Males

14268

M18-39

14268

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25975

Males

14769

M18-39

14769

Passing Analysis

Category:
Athletes Passed
2448
Passed By
8619
Net Change
-6171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17854
5K → 10K105241+1011#17854#16843
10K → 15K64824+624#16843#16219
15K → 20K54216+526#16219#15693
20K → Half2817+11#15693#15682
Half → 25K201112-1092#15682#16774
25K → 30K261646-1620#16774#18394
30K → 20M31962-1959#18394#20353
20M → 21M21548-1546#20353#21899
21M → 35K11189-1188#21899#23087
35K → 23M9628-619#23087#23706
23M → 24M8714+73#23706#23633
24M → 40K7241-234#23633#23867
40K → 25.2M849-41#23867#23908
25.2M → Finish15132-117#23908#24025
TOTALS24488619-6171
📊

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