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BOSTON MARATHON 2025

Charles Danziger

Bib: 27422•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
24:01
Rank: #14210
Start → 5K
24:01 | 7:44/mi
10K· 6.21 mi
47:42
Rank: #13721 (+489)
5K → 10K
23:41 | 7:37/mi
15K· 9.32 mi
1:12:18
Rank: #14263 (-542)
10K → 15K
24:36 | 7:55/mi
20K· 12.43 mi
1:39:56
Rank: #16248 (-1985)
15K → 20K
27:38 | 8:54/mi
Half· 13.11 mi
1:45:34
Rank: #16325 (-77)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:10:31
Rank: #18269 (-1944)
Half → 25K
24:57 | 10:17/mi
30K· 18.64 mi
2:38:29
Rank: #18138 (+131)
25K → 30K
27:58 | 9:00/mi
20M
2:50:56
Rank: #18068 (+70)
30K → 20M
12:27 | 9:10/mi
21M
3:01:16
Rank: #18200 (-132)
20M → 21M
10:20 | 10:20/mi
35K· 21.75 mi
3:08:28
Rank: #18324 (-124)
21M → 35K
7:12 | 9:37/mi
23M
3:20:40
Rank: #18421 (-97)
35K → 23M
12:12 | 9:45/mi
24M
3:30:01
Rank: #18468 (-47)
23M → 24M
9:21 | 9:21/mi
40K· 24.85 mi
3:37:46
Rank: #18382 (+86)
24M → 40K
7:45 | 9:04/mi
25.2M
3:41:08
Rank: #18345 (+37)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:49:03
Rank: #18097 (+248)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:34
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:03:29
Pace9:25 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:5124:017:4424:01
7:44
-
10K
6.21 mi12:03:3247:427:4123:41
7:37
-0:07
15K
9.32 mi12:28:081:12:187:4524:36
7:55
+0:18
20K
12.43 mi12:55:461:39:568:0227:38
8:54
+0:59
Half
13.11 mi13:01:241:45:348:035:38
8:15
-0:39
25K
15.53 mi13:26:212:10:318:2424:57
10:17
+2:02
30K
18.64 mi13:54:192:38:298:3027:58
9:00
-1:17
20M
20.00 mi14:06:462:50:568:3312:27
9:10
+0:10
21M
21.00 mi14:17:063:01:168:3810:20
10:20
+1:10
35K
21.75 mi14:24:183:08:288:407:12
9:37
-0:43
23M
23.00 mi14:36:303:20:408:4312:12
9:45
+0:08
24M
24.00 mi14:45:513:30:018:459:21
9:21
-0:24
40K
24.85 mi14:53:363:37:468:467:45
9:04
-0:17
25.2M
25.20 mi14:56:583:41:088:473:22
9:46
+0:42
Finish
26.22 mi15:04:533:49:038:457:55
7:46
-2:00

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

7:37 /mi

Average Pace

8:45 /mi

Slowest Pace

10:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:51

37% of race

Time at Steady Pace

1:25:09

37% of race

Time at Slower Pace

58:03

25% of race

Average Pace: 8:44 /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 mi11:39:5124:017:4424:01
7:44
#14210
10K
6.21 mi12:03:3247:427:4123:41
7:37
#13721
15K
9.32 mi12:28:081:12:187:4524:36
7:55
#14263
20K
12.43 mi12:55:461:39:568:0227:38
8:54
#16248
Half
13.11 mi13:01:241:45:348:035:38
8:15
#16325
25K
15.53 mi13:26:212:10:318:2424:57
10:17
#18269
30K
18.64 mi13:54:192:38:298:3027:58
9:00
#18138
20M
20.00 mi14:06:462:50:568:3312:27
9:10
#18068
21M
21.00 mi14:17:063:01:168:3810:20
10:20
#18200
35K
21.75 mi14:24:183:08:288:407:12
9:37
#18324
23M
23.00 mi14:36:303:20:408:4312:12
9:45
#18421
24M
24.00 mi14:45:513:30:018:459:21
9:21
#18468
40K
24.85 mi14:53:363:37:468:467:45
9:04
#18382
25.2M
25.20 mi14:56:583:41:088:473:22
9:46
#18345
Finish
26.22 mi15:04:533:49:038:457:55
7:46
#18097
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi14210101321013215373(Top 54%)10538(Top 65%)10538(Top 187%)
10K6.21 mi3.10 mi13721+4899906+2269906+22613226(Top 47%)9680(Top 60%)9680(Top 172%)
15K9.32 mi3.11 mi14263-54210102-19610102-19615373(Top 54%)10538(Top 65%)10538(Top 187%)
20K12.43 mi3.11 mi16248-198510902-80010902-80020427(Top 72%)12643(Top 79%)12643(Top 224%)
Half13.11 mi0.68 mi16325-7710936-3410936-3417616(Top 62%)11458(Top 71%)11458(Top 203%)
25K15.53 mi2.42 mi18269-194411709-77311709-77323924(Top 84%)14160(Top 88%)14160(Top 251%)
30K18.64 mi3.11 mi18138+13111610+9911610+9917699(Top 62%)11237(Top 70%)11237(Top 199%)
20M20.00 mi1.36 mi18068+7011554+5611554+5617591(Top 62%)11078(Top 69%)11078(Top 196%)
21M21.00 mi1.00 mi18200-13211595-4111595-4119470(Top 69%)11814(Top 73%)11814(Top 209%)
35K21.75 mi0.75 mi18324-12411632-3711632-3720743(Top 73%)12319(Top 76%)12319(Top 218%)
23M23.00 mi1.25 mi18421-9711653-2111653-2119579(Top 69%)11707(Top 73%)11707(Top 207%)
24M24.00 mi1.00 mi18468-4711641+1211641+1219014(Top 67%)11416(Top 71%)11416(Top 202%)
40K24.85 mi0.85 mi18382+8611572+6911572+6916677(Top 59%)10229(Top 64%)10229(Top 181%)
25.2M25.20 mi0.35 mi18345+3711541+3111541+3115890(Top 56%)9827(Top 61%)9827(Top 174%)
Finish26.22 mi1.02 mi18097+24811427+11411427+11411214(Top 39%)7632(Top 47%)7632(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15373

Males

10538

M18-39

10538

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

13226

Males

9680

M18-39

9680

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15373

Males

10538

M18-39

10538

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20427

Males

12643

M18-39

12643

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17616

Males

11458

M18-39

11458

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23924

Males

14160

M18-39

14160

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17699

Males

11237

M18-39

11237

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17591

Males

11078

M18-39

11078

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

19470

Males

11814

M18-39

11814

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20743

Males

12319

M18-39

12319

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19579

Males

11707

M18-39

11707

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19014

Males

11416

M18-39

11416

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16677

Males

10229

M18-39

10229

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15890

Males

9827

M18-39

9827

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11214

Males

7632

M18-39

7632

Passing Analysis

Category:
Athletes Passed
1801
Passed By
5688
Net Change
-3887
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14210
5K → 10K589100+489#14210#13721
10K → 15K69611-542#13721#14263
15K → 20K162001-1985#14263#16248
20K → Half1996-77#16248#16325
Half → 25K71951-1944#16325#18269
25K → 30K309178+131#18269#18138
30K → 20M15282+70#18138#18068
20M → 21M56188-132#18068#18200
21M → 35K34158-124#18200#18324
35K → 23M79176-97#18324#18421
23M → 24M62109-47#18421#18468
24M → 40K11428+86#18468#18382
40K → 25.2M458+37#18382#18345
25.2M → Finish2502+248#18345#18097
TOTALS18015688-3887
📊

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