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BOSTON MARATHON 2025

Chadwick Hauff

Bib: 31884•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 (M50-54)
#0 / 1996
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
9:38/mi
29:56
↑ 97↓ 3451.5%
10K· 6.21 mi
10:13/mi
1:01:39
↑ 79↓ 1380.4%
15K· 9.32 mi
9:55/mi
1:32:27
↑ 67↓ 78
20K· 12.43 mi
10:00/mi
2:03:30
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
2:09:22
↑ 19↓ 370.5%
25K· 15.53 mi
9:27/mi
2:32:16
↑ 66↓ 880.2%
30K· 18.64 mi
10:55/mi
3:06:11
↑ 181↓ 1480.2%
20M
9:24/mi
3:18:57
↑ 64↓ 500.2%
21M
11:01/mi
3:29:58
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:37:01
↑ 17↓ 861.7%
23M
9:34/mi
3:49:00
↑ 23↓ 630.6%
24M
8:41/mi
3:57:41
↓ 821.3%
40K· 24.85 mi
10:34/mi
4:06:43
↓ 200.3%
25.2M
11:53/mi
4:10:49
↑ 13↓ 160.2%
Finish· 26.22 mi
9:02/mi
4:20:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:09:22
Pace9:52 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:10:39
Pace9:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2029:569:3829:56
9:38
-
10K
6.21 mi12:24:031:01:399:5531:43
10:13
+0:35
15K
9.32 mi12:54:511:32:279:5530:48
9:55
-0:18
20K
12.43 mi13:25:542:03:309:5631:03
10:00
+0:05
Half
13.11 mi13:31:462:09:229:525:52
8:36
-1:24
25K
15.53 mi13:54:402:32:169:4822:54
9:27
+0:51
30K
18.64 mi14:28:353:06:119:5933:55
10:55
+1:28
20M
20.00 mi14:41:213:18:579:5712:46
9:24
-1:31
21M
21.00 mi14:52:223:29:5810:0011:01
11:01
+1:37
35K
21.75 mi14:59:253:37:019:597:03
9:25
-1:36
23M
23.00 mi15:11:243:49:009:5711:59
9:34
+0:09
24M
24.00 mi15:20:053:57:419:548:41
8:41
-0:53
40K
24.85 mi15:29:074:06:439:569:02
10:34
+1:53
25.2M
25.20 mi15:33:134:10:499:574:06
11:53
+1:19
Finish
26.22 mi15:42:254:20:019:559:12
9:02
-2:51

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

8:36 /mi

Average Pace

9:55 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:45

9% of race

Time at Steady Pace

2:26:29

56% of race

Time at Slower Pace

1:29:47

35% of race

Average Pace: 9:55 /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 mi11:52:2029:569:3829:56
9:38
#24637
10K
6.21 mi12:24:031:01:399:5531:43
10:13
#25237
15K
9.32 mi12:54:511:32:279:5530:48
9:55
#25093
20K
12.43 mi13:25:542:03:309:5631:03
10:00
#24849
Half
13.11 mi13:31:462:09:229:525:52
8:36
#24672
25K
15.53 mi13:54:402:32:169:4822:54
9:27
#24251
30K
18.64 mi14:28:353:06:119:5933:55
10:55
#24203
20M
20.00 mi14:41:213:18:579:5712:46
9:24
#23872
21M
21.00 mi14:52:223:29:5810:0011:01
11:01
#23725
35K
21.75 mi14:59:253:37:019:597:03
9:25
#23596
23M
23.00 mi15:11:243:49:009:5711:59
9:34
#23353
24M
24.00 mi15:20:053:57:419:548:41
8:41
#23107
40K
24.85 mi15:29:074:06:439:569:02
10:34
#23065
25.2M
25.20 mi15:33:134:10:499:574:06
11:53
#23068
Finish
26.22 mi15:42:254:20:019:559:12
9:02
#22957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24637145421454224809(Top 87%)14631(Top 91%)14631(Top 733%)
10K6.21 mi3.10 mi25237-60014816-27414816-27425757(Top 91%)15030(Top 93%)15030(Top 753%)
15K9.32 mi3.11 mi25093+14414757+5914757+5924809(Top 87%)14631(Top 91%)14631(Top 733%)
20K12.43 mi3.11 mi24849+24414637+12014637+12024199(Top 85%)14305(Top 89%)14305(Top 717%)
Half13.11 mi0.68 mi24672+17714549+8814549+8819811(Top 70%)12404(Top 77%)12404(Top 621%)
25K15.53 mi2.42 mi24251+42114339+21014339+21021684(Top 76%)13159(Top 82%)13159(Top 659%)
30K18.64 mi3.11 mi24203+4814304+3514304+3523856(Top 84%)14002(Top 87%)14002(Top 702%)
20M20.00 mi1.36 mi23872+33114132+17214132+17218722(Top 66%)11560(Top 72%)11560(Top 579%)
21M21.00 mi1.00 mi23725+14714042+9014042+9021448(Top 76%)12717(Top 79%)12717(Top 637%)
35K21.75 mi0.75 mi23596+12913972+7013972+7020045(Top 71%)11999(Top 75%)11999(Top 601%)
23M23.00 mi1.25 mi23353+24313844+12813844+12818976(Top 67%)11430(Top 71%)11430(Top 573%)
24M24.00 mi1.00 mi23107+24613697+14713697+14715637(Top 55%)9896(Top 61%)9896(Top 496%)
40K24.85 mi0.85 mi23065+4213661+3613661+3622090(Top 78%)12788(Top 79%)12788(Top 641%)
25.2M25.20 mi0.35 mi23068-313662-113662-122985(Top 81%)13279(Top 82%)13279(Top 665%)
Finish26.22 mi1.02 mi22957+11113597+6513597+6519193(Top 68%)11432(Top 71%)11432(Top 573%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24809

Males

14631

M50-54

14631

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25757

Males

15030

M50-54

15030

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24809

Males

14631

M50-54

14631

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24199

Males

14305

M50-54

14305

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19811

Males

12404

M50-54

12404

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21684

Males

13159

M50-54

13159

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23856

Males

14002

M50-54

14002

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18722

Males

11560

M50-54

11560

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21448

Males

12717

M50-54

12717

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20045

Males

11999

M50-54

11999

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

18976

Males

11430

M50-54

11430

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15637

Males

9896

M50-54

9896

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22090

Males

12788

M50-54

12788

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22985

Males

13279

M50-54

13279

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19193

Males

11432

M50-54

11432

Passing Analysis

Category:
Athletes Passed
2621
Passed By
941
Net Change
+1680
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24637
5K → 10K42642-600#24637#25237
10K → 15K21874+144#25237#25093
15K → 20K27733+244#25093#24849
20K → Half1770+177#24849#24672
Half → 25K4210+421#24672#24251
25K → 30K170122+48#24251#24203
30K → 20M3310+331#24203#23872
20M → 21M16821+147#23872#23725
21M → 35K1301+129#23725#23596
35K → 23M2452+243#23596#23353
23M → 24M2471+246#23353#23107
24M → 40K7129+42#23107#23065
40K → 25.2M1215-3#23065#23068
25.2M → Finish1121+111#23068#22957
TOTALS2621941+1680
📊

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