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BOSTON MARATHON 2025

Charlie Kautz

Bib: 1717•M

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 23%
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
6:24/mi
19:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:21/mi
39:38
↑ 79↓ 1380.4%
15K· 9.32 mi
6:20/mi
59:20
↑ 67↓ 78
20K· 12.43 mi
6:22/mi
1:19:07
↑ 106↓ 860.1%
Half· 13.11 mi
6:11/mi
1:23:20
↑ 19↓ 370.5%
25K· 15.53 mi
6:19/mi
1:38:38
↑ 66↓ 880.2%
30K· 18.64 mi
6:25/mi
1:58:33
↑ 181↓ 1480.2%
20M
6:20/mi
2:07:10
↑ 64↓ 500.2%
21M
6:34/mi
2:13:44
↑ 106↓ 241.6%
35K· 21.75 mi
6:04/mi
2:18:16
↑ 17↓ 861.7%
23M
6:19/mi
2:26:10
↑ 23↓ 630.6%
24M
6:16/mi
2:32:26
↓ 821.3%
40K· 24.85 mi
6:26/mi
2:37:56
↓ 200.3%
25.2M
7:03/mi
2:40:22
↑ 13↓ 160.2%
Finish· 26.22 mi
6:14/mi
2:46:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:20
Pace6:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:23
Pace6:22 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4919:546:2419:54
6:24
-
10K
6.21 mi10:41:3339:386:2319:44
6:21
-0:03
15K
9.32 mi11:01:1559:206:2219:42
6:20
-0:01
20K
12.43 mi11:21:021:19:076:2219:47
6:22
+0:02
Half
13.11 mi11:25:151:23:206:214:13
6:11
-0:11
25K
15.53 mi11:40:331:38:386:2115:18
6:19
+0:08
30K
18.64 mi12:00:281:58:336:2219:55
6:25
+0:06
20M
20.00 mi12:09:052:07:106:218:37
6:20
-0:05
21M
21.00 mi12:15:392:13:446:226:34
6:34
+0:14
35K
21.75 mi12:20:112:18:166:214:32
6:04
-0:30
23M
23.00 mi12:28:052:26:106:217:54
6:19
+0:15
24M
24.00 mi12:34:212:32:266:216:16
6:16
-0:03
40K
24.85 mi12:39:512:37:566:215:30
6:26
+0:10
25.2M
25.20 mi12:42:172:40:226:222:26
7:03
+0:37
Finish
26.22 mi12:48:382:46:436:226:21
6:14
-0:49

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

6:04 /mi

Average Pace

6:22 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:17

99% of race

Time at Steady Pace

2:26

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:21:4919:546:2419:54
6:24
#3160
10K
6.21 mi10:41:3339:386:2319:44
6:21
#2900
15K
9.32 mi11:01:1559:206:2219:42
6:20
#2770
20K
12.43 mi11:21:021:19:076:2219:47
6:22
#2647
Half
13.11 mi11:25:151:23:206:214:13
6:11
#2601
25K
15.53 mi11:40:331:38:386:2115:18
6:19
#2452
30K
18.64 mi12:00:281:58:336:2219:55
6:25
#2232
20M
20.00 mi12:09:052:07:106:218:37
6:20
#2114
21M
21.00 mi12:15:392:13:446:226:34
6:34
#2000
35K
21.75 mi12:20:112:18:166:214:32
6:04
#1917
23M
23.00 mi12:28:052:26:106:217:54
6:19
#1796
24M
24.00 mi12:34:212:32:266:216:16
6:16
#1739
40K
24.85 mi12:39:512:37:566:215:30
6:26
#1701
25.2M
25.20 mi12:42:172:40:226:222:26
7:03
#1686
Finish
26.22 mi12:48:382:46:436:226:21
6:14
#1664
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3160300330032588(Top 9%)2471(Top 15%)2471(Top 44%)
10K6.21 mi3.10 mi2900+2602763+2402763+2402746(Top 10%)2616(Top 16%)2616(Top 46%)
15K9.32 mi3.11 mi2770+1302640+1232640+1232588(Top 9%)2471(Top 15%)2471(Top 44%)
20K12.43 mi3.11 mi2647+1232526+1142526+1142357(Top 8%)2247(Top 14%)2247(Top 40%)
Half13.11 mi0.68 mi2601+462484+422484+421904(Top 7%)1817(Top 11%)1817(Top 32%)
25K15.53 mi2.42 mi2452+1492341+1432341+1431920(Top 7%)1826(Top 11%)1826(Top 32%)
30K18.64 mi3.11 mi2232+2202127+2142127+2141603(Top 6%)1520(Top 9%)1520(Top 27%)
20M20.00 mi1.36 mi2114+1182012+1152012+1151081(Top 4%)1020(Top 6%)1020(Top 18%)
21M21.00 mi1.00 mi2000+1141903+1091903+109839(Top 3%)794(Top 5%)794(Top 14%)
35K21.75 mi0.75 mi1917+831821+821821+82875(Top 3%)820(Top 5%)820(Top 15%)
23M23.00 mi1.25 mi1796+1211704+1171704+117913(Top 3%)860(Top 5%)860(Top 15%)
24M24.00 mi1.00 mi1739+571647+571647+571222(Top 4%)1147(Top 7%)1147(Top 20%)
40K24.85 mi0.85 mi1701+381610+371610+371393(Top 5%)1294(Top 8%)1294(Top 23%)
25.2M25.20 mi0.35 mi1686+151597+131597+131675(Top 6%)1532(Top 10%)1532(Top 27%)
Finish26.22 mi1.02 mi1664+221574+231574+231636(Top 6%)1520(Top 9%)1520(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2588

Males

2471

M18-39

2471

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2746

Males

2616

M18-39

2616

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2588

Males

2471

M18-39

2471

15K→20K

9.3 - 12.4 mi

Top 8%
×5story building
+106ft-86ft

Overall

2357

Males

2247

M18-39

2247

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1904

Males

1817

M18-39

1817

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1920

Males

1826

M18-39

1826

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1603

Males

1520

M18-39

1520

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1081

Males

1020

M18-39

1020

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

839

Males

794

M18-39

794

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

875

Males

820

M18-39

820

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

913

Males

860

M18-39

860

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1222

Males

1147

M18-39

1147

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1393

Males

1294

M18-39

1294

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1675

Males

1532

M18-39

1532

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1636

Males

1520

M18-39

1520

Passing Analysis

Category:
Athletes Passed
1646
Passed By
150
Net Change
+1496
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3160
5K → 10K30040+260#3160#2900
10K → 15K15424+130#2900#2770
15K → 20K14320+123#2770#2647
20K → Half460+46#2647#2601
Half → 25K1578+149#2601#2452
25K → 30K23010+220#2452#2232
30K → 20M1180+118#2232#2114
20M → 21M1151+114#2114#2000
21M → 35K841+83#2000#1917
35K → 23M1254+121#1917#1796
23M → 24M636+57#1796#1739
24M → 40K479+38#1739#1701
40K → 25.2M2510+15#1701#1686
25.2M → Finish3917+22#1686#1664
TOTALS1646150+1496
📊

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