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BOSTON MARATHON 2025

Daniel Gratzer

Bib: 30037•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:01/mi
24:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
48:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:10:57
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:35:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:40:35
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:00:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:27:31
↑ 181↓ 1480.2%
20M
8:58/mi
2:39:42
↑ 64↓ 500.2%
21M
9:42/mi
2:49:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
2:55:57
↑ 17↓ 861.7%
23M
9:13/mi
3:07:30
↑ 23↓ 630.6%
24M
9:01/mi
3:16:31
↓ 821.3%
40K· 24.85 mi
9:25/mi
3:24:34
↓ 200.3%
25.2M
10:09/mi
3:28:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:38/mi
3:36:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:35
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:56:17
Pace8:52 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3924:548:0124:54
8:01
-
10K
6.21 mi12:06:4848:037:4423:09
7:27
-0:34
15K
9.32 mi12:29:421:10:577:3722:54
7:22
-0:05
20K
12.43 mi12:54:011:35:167:4024:19
7:50
+0:28
Half
13.11 mi12:59:201:40:357:405:19
7:48
-0:02
25K
15.53 mi13:19:072:00:227:4519:47
8:10
+0:22
30K
18.64 mi13:46:162:27:317:5527:09
8:44
+0:34
20M
20.00 mi13:58:272:39:427:5912:11
8:58
+0:14
21M
21.00 mi14:08:092:49:248:049:42
9:42
+0:44
35K
21.75 mi14:14:422:55:578:056:33
8:45
-0:57
23M
23.00 mi14:26:153:07:308:0911:33
9:13
+0:28
24M
24.00 mi14:35:163:16:318:119:01
9:01
-0:12
40K
24.85 mi14:43:193:24:348:148:03
9:25
+0:24
25.2M
25.20 mi14:46:493:28:048:153:30
10:09
+0:44
Finish
26.22 mi14:55:373:36:528:178:48
8:38
-1:31

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

7:22 /mi

Average Pace

8:17 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:22

56% of race

Time at Steady Pace

1:03:42

29% of race

Time at Slower Pace

32:48

15% of race

Average Pace: 8:16 /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 mi11:43:3924:548:0124:54
8:01
#16689
10K
6.21 mi12:06:4848:037:4423:09
7:27
#14172
15K
9.32 mi12:29:421:10:577:3722:54
7:22
#12962
20K
12.43 mi12:54:011:35:167:4024:19
7:50
#13067
Half
13.11 mi12:59:201:40:357:405:19
7:48
#13130
25K
15.53 mi13:19:072:00:227:4519:47
8:10
#13417
30K
18.64 mi13:46:162:27:317:5527:09
8:44
#13991
20M
20.00 mi13:58:272:39:427:5912:11
8:58
#14199
21M
21.00 mi14:08:092:49:248:049:42
9:42
#14392
35K
21.75 mi14:14:422:55:578:056:33
8:45
#14502
23M
23.00 mi14:26:153:07:308:0911:33
9:13
#14680
24M
24.00 mi14:35:163:16:318:119:01
9:01
#14799
40K
24.85 mi14:43:193:24:348:148:03
9:25
#14957
25.2M
25.20 mi14:46:493:28:048:153:30
10:09
#15002
Finish
26.22 mi14:55:373:36:528:178:48
8:38
#15060
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi16689110681106810600(Top 37%)8403(Top 52%)8403(Top 374%)
10K6.21 mi3.10 mi14172+251710090+97810090+97811640(Top 41%)8977(Top 56%)8977(Top 400%)
15K9.32 mi3.11 mi12962+12109559+5319559+53110600(Top 37%)8403(Top 52%)8403(Top 374%)
20K12.43 mi3.11 mi13067-1059545+149545+1413486(Top 47%)9644(Top 60%)9644(Top 429%)
Half13.11 mi0.68 mi13130-639574-299574-2914173(Top 50%)9985(Top 62%)9985(Top 444%)
25K15.53 mi2.42 mi13417-2879659-859659-8515024(Top 53%)10234(Top 64%)10234(Top 455%)
30K18.64 mi3.11 mi13991-5749851-1929851-19216216(Top 57%)10575(Top 66%)10575(Top 471%)
20M20.00 mi1.36 mi14199-2089916-659916-6516586(Top 58%)10628(Top 66%)10628(Top 473%)
21M21.00 mi1.00 mi14392-1939973-579973-5717005(Top 60%)10695(Top 66%)10695(Top 476%)
35K21.75 mi0.75 mi14502-11010006-3310006-3316983(Top 60%)10598(Top 66%)10598(Top 472%)
23M23.00 mi1.25 mi14680-17810044-3810044-3817425(Top 61%)10701(Top 66%)10701(Top 476%)
24M24.00 mi1.00 mi14799-11910072-2810072-2817427(Top 61%)10658(Top 66%)10658(Top 474%)
40K24.85 mi0.85 mi14957-15810110-3810110-3818327(Top 65%)10987(Top 68%)10987(Top 489%)
25.2M25.20 mi0.35 mi15002-4510108+210108+217624(Top 62%)10647(Top 66%)10647(Top 474%)
Finish26.22 mi1.02 mi15060-5810109-110109-117041(Top 60%)10406(Top 65%)10406(Top 463%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10600

Males

8403

M40-44

8403

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11640

Males

8977

M40-44

8977

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10600

Males

8403

M40-44

8403

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13486

Males

9644

M40-44

9644

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14173

Males

9985

M40-44

9985

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15024

Males

10234

M40-44

10234

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16216

Males

10575

M40-44

10575

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16586

Males

10628

M40-44

10628

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17005

Males

10695

M40-44

10695

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16983

Males

10598

M40-44

10598

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17425

Males

10701

M40-44

10701

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17427

Males

10658

M40-44

10658

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18327

Males

10987

M40-44

10987

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17624

Males

10647

M40-44

10647

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

17041

Males

10406

M40-44

10406

Passing Analysis

Category:
Athletes Passed
4521
Passed By
2892
Net Change
+1629
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16689
5K → 10K25192+2517#16689#14172
10K → 15K12122+1210#14172#12962
15K → 20K168273-105#12962#13067
20K → Half2184-63#13067#13130
Half → 25K93380-287#13130#13417
25K → 30K121695-574#13417#13991
30K → 20M69277-208#13991#14199
20M → 21M70263-193#14199#14392
21M → 35K36146-110#14392#14502
35K → 23M52230-178#14502#14680
23M → 24M42161-119#14680#14799
24M → 40K32190-158#14799#14957
40K → 25.2M2772-45#14957#15002
25.2M → Finish59117-58#15002#15060
TOTALS45212892+1629
📊

Passing Visuals

Category:
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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