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BOSTON MARATHON 2025

Charles Jetzer

Bib: 9537•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M45-49)
#0 / 2386
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:00
Rank: #8451
Start → 5K
22:00 | 7:05/mi
10K· 6.21 mi
44:07
Rank: #8636 (-185)
5K → 10K
22:07 | 7:07/mi
15K· 9.32 mi
1:06:08
Rank: #8430 (+206)
10K → 15K
22:01 | 7:05/mi
20K· 12.43 mi
1:28:05
Rank: #8080 (+350)
15K → 20K
21:57 | 7:04/mi
Half· 13.11 mi
1:32:51
Rank: #8050 (+30)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:50:11
Rank: #7881 (+169)
Half → 25K
17:20 | 7:09/mi
30K· 18.64 mi
2:13:14
Rank: #7653 (+228)
25K → 30K
23:03 | 7:25/mi
20M
2:23:26
Rank: #7544 (+109)
30K → 20M
10:12 | 7:30/mi
21M
2:31:27
Rank: #7461 (+83)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:36:55
Rank: #7413 (+48)
21M → 35K
5:28 | 7:18/mi
23M
2:46:38
Rank: #7415 (-2)
35K → 23M
9:43 | 7:46/mi
24M
2:54:17
Rank: #7424 (-9)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
3:01:02
Rank: #7453 (-29)
24M → 40K
6:45 | 7:54/mi
25.2M
3:04:04
Rank: #7499 (-46)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:11:44
Rank: #7529 (-30)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:51
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:38:53
Pace7:33 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1022:007:0522:00
7:05
-
10K
6.21 mi11:09:1744:077:0622:07
7:07
+0:02
15K
9.32 mi11:31:181:06:087:0622:01
7:05
-0:02
20K
12.43 mi11:53:151:28:057:0521:57
7:04
-0:01
Half
13.11 mi11:58:011:32:517:054:46
6:59
-0:05
25K
15.53 mi12:15:211:50:117:0617:20
7:09
+0:10
30K
18.64 mi12:38:242:13:147:0923:03
7:25
+0:16
20M
20.00 mi12:48:362:23:267:1010:12
7:30
+0:05
21M
21.00 mi12:56:372:31:277:138:01
8:01
+0:31
35K
21.75 mi13:02:052:36:557:135:28
7:18
-0:43
23M
23.00 mi13:11:482:46:387:159:43
7:46
+0:28
24M
24.00 mi13:19:272:54:177:167:39
7:39
-0:07
40K
24.85 mi13:26:123:01:027:176:45
7:54
+0:15
25.2M
25.20 mi13:29:143:04:047:183:02
8:48
+0:54
Finish
26.22 mi13:36:543:11:447:197:40
7:31
-1:17

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

6:59 /mi

Average Pace

7:19 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:11

57% of race

Time at Steady Pace

54:02

28% of race

Time at Slower Pace

27:31

14% of race

Average Pace: 7:19 /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 mi10:47:1022:007:0522:00
7:05
#8451
10K
6.21 mi11:09:1744:077:0622:07
7:07
#8636
15K
9.32 mi11:31:181:06:087:0622:01
7:05
#8430
20K
12.43 mi11:53:151:28:057:0521:57
7:04
#8080
Half
13.11 mi11:58:011:32:517:054:46
6:59
#8050
25K
15.53 mi12:15:211:50:117:0617:20
7:09
#7881
30K
18.64 mi12:38:242:13:147:0923:03
7:25
#7653
20M
20.00 mi12:48:362:23:267:1010:12
7:30
#7544
21M
21.00 mi12:56:372:31:277:138:01
8:01
#7461
35K
21.75 mi13:02:052:36:557:135:28
7:18
#7413
23M
23.00 mi13:11:482:46:387:159:43
7:46
#7415
24M
24.00 mi13:19:272:54:177:167:39
7:39
#7424
40K
24.85 mi13:26:123:01:027:176:45
7:54
#7453
25.2M
25.20 mi13:29:143:04:047:183:02
8:48
#7499
Finish
26.22 mi13:36:543:11:447:197:40
7:31
#7529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8451728172818235(Top 29%)7080(Top 44%)7080(Top 297%)
10K6.21 mi3.10 mi8636-1857377-967377-968811(Top 31%)7479(Top 46%)7479(Top 313%)
15K9.32 mi3.11 mi8430+2067237+1407237+1408235(Top 29%)7080(Top 44%)7080(Top 297%)
20K12.43 mi3.11 mi8080+3507006+2317006+2317282(Top 26%)6403(Top 40%)6403(Top 268%)
Half13.11 mi0.68 mi8050+306982+246982+247439(Top 26%)6529(Top 41%)6529(Top 274%)
25K15.53 mi2.42 mi7881+1696860+1226860+1227255(Top 26%)6289(Top 39%)6289(Top 264%)
30K18.64 mi3.11 mi7653+2286656+2046656+2047162(Top 25%)6065(Top 38%)6065(Top 254%)
20M20.00 mi1.36 mi7544+1096546+1106546+1107033(Top 25%)5851(Top 36%)5851(Top 245%)
21M21.00 mi1.00 mi7461+836459+876459+877408(Top 26%)5911(Top 37%)5911(Top 248%)
35K21.75 mi0.75 mi7413+486406+536406+537247(Top 26%)5831(Top 36%)5831(Top 244%)
23M23.00 mi1.25 mi7415-26366+406366+408280(Top 29%)6315(Top 39%)6315(Top 265%)
24M24.00 mi1.00 mi7424-96337+296337+298733(Top 31%)6500(Top 40%)6500(Top 272%)
40K24.85 mi0.85 mi7453-296322+156322+159379(Top 33%)6719(Top 42%)6719(Top 282%)
25.2M25.20 mi0.35 mi7499-466339-176339-1710470(Top 37%)7162(Top 44%)7162(Top 300%)
Finish26.22 mi1.02 mi7529-306326+136326+139315(Top 33%)6601(Top 41%)6601(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8235

Males

7080

M45-49

7080

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8811

Males

7479

M45-49

7479

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8235

Males

7080

M45-49

7080

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7282

Males

6403

M45-49

6403

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7439

Males

6529

M45-49

6529

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7255

Males

6289

M45-49

6289

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7162

Males

6065

M45-49

6065

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7033

Males

5851

M45-49

5851

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7408

Males

5911

M45-49

5911

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7247

Males

5831

M45-49

5831

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8280

Males

6315

M45-49

6315

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8733

Males

6500

M45-49

6500

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9379

Males

6719

M45-49

6719

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10470

Males

7162

M45-49

7162

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9315

Males

6601

M45-49

6601

Passing Analysis

Category:
Athletes Passed
1971
Passed By
1049
Net Change
+922
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8451
5K → 10K133318-185#8451#8636
10K → 15K26963+206#8636#8430
15K → 20K37323+350#8430#8080
20K → Half4515+30#8080#8050
Half → 25K20435+169#8050#7881
25K → 30K31183+228#7881#7653
30K → 20M14536+109#7653#7544
20M → 21M12441+83#7544#7461
21M → 35K7325+48#7461#7413
35K → 23M9698-2#7413#7415
23M → 24M6473-9#7415#7424
24M → 40K6695-29#7424#7453
40K → 25.2M1460-46#7453#7499
25.2M → Finish5484-30#7499#7529
TOTALS19711049+922
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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