Boston Marathon logo
BOSTON MARATHON 2025

Carlton Ritz

Bib: 27755•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
10:30/mi
32:37
↑ 97↓ 3451.5%
10K· 6.21 mi
10:26/mi
1:05:02
↑ 79↓ 1380.4%
15K· 9.32 mi
10:27/mi
1:37:29
↑ 67↓ 78
20K· 12.43 mi
11:00/mi
2:11:40
↑ 106↓ 860.1%
Half· 13.11 mi
10:17/mi
2:18:41
↑ 19↓ 370.5%
25K· 15.53 mi
10:51/mi
2:44:59
↑ 66↓ 880.2%
30K· 18.64 mi
12:06/mi
3:22:34
↑ 181↓ 1480.2%
20M
12:23/mi
3:39:24
↑ 64↓ 500.2%
21M
12:25/mi
3:51:49
↑ 106↓ 241.6%
35K· 21.75 mi
10:28/mi
3:59:39
↑ 17↓ 861.7%
23M
11:17/mi
4:13:47
↑ 23↓ 630.6%
24M
10:55/mi
4:24:42
↓ 821.3%
40K· 24.85 mi
11:21/mi
4:34:24
↓ 200.3%
25.2M
12:22/mi
4:38:40
↑ 13↓ 160.2%
Finish· 26.22 mi
10:13/mi
4:49:05
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:41
Pace10:35 /mi
2nd Half
Distance13.11 mi
Time2:30:24
Pace11:28 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1732:3710:3032:37
10:30
-
10K
6.21 mi12:21:421:05:0210:2832:25
10:26
-0:04
15K
9.32 mi12:54:091:37:2910:2832:27
10:27
+0:01
20K
12.43 mi13:28:202:11:4010:3634:11
11:00
+0:33
Half
13.11 mi13:35:212:18:4110:357:01
10:17
-0:43
25K
15.53 mi14:01:392:44:5910:3726:18
10:51
+0:34
30K
18.64 mi14:39:143:22:3410:5237:35
12:06
+1:15
20M
20.00 mi14:56:043:39:2410:5816:50
12:23
+0:17
21M
21.00 mi15:08:293:51:4911:0212:25
12:25
+0:02
35K
21.75 mi15:16:193:59:3911:017:50
10:28
-1:57
23M
23.00 mi15:30:274:13:4711:0214:08
11:17
+0:49
24M
24.00 mi15:41:224:24:4211:0210:55
10:55
-0:22
40K
24.85 mi15:51:044:34:2411:029:42
11:21
+0:26
25.2M
25.20 mi15:55:204:38:4011:034:16
12:22
+1:01
Finish
26.22 mi16:05:454:49:0511:0210:25
10:13
-2:09

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

10:13 /mi

Average Pace

11:02 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:45

42% of race

Time at Steady Pace

1:25:32

30% of race

Time at Slower Pace

1:20:48

28% of race

Average Pace: 11:02 /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 mi11:49:1732:3710:3032:37
10:30
#26744
10K
6.21 mi12:21:421:05:0210:2832:25
10:26
#26431
15K
9.32 mi12:54:091:37:2910:2832:27
10:27
#26204
20K
12.43 mi13:28:202:11:4010:3634:11
11:00
#26147
Half
13.11 mi13:35:212:18:4110:357:01
10:17
#26108
25K
15.53 mi14:01:392:44:5910:3726:18
10:51
#25908
30K
18.64 mi14:39:143:22:3410:5237:35
12:06
#25857
20M
20.00 mi14:56:043:39:2410:5816:50
12:23
#25857
21M
21.00 mi15:08:293:51:4911:0212:25
12:25
#25782
35K
21.75 mi15:16:193:59:3911:017:50
10:28
#25711
23M
23.00 mi15:30:274:13:4711:0214:08
11:17
#25643
24M
24.00 mi15:41:224:24:4211:0210:55
10:55
#25573
40K
24.85 mi15:51:044:34:2411:029:42
11:21
#25514
25.2M
25.20 mi15:55:204:38:4011:034:16
12:22
#25495
Finish
26.22 mi16:05:454:49:0511:0210:25
10:13
#25441
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26744154921549225833(Top 91%)15074(Top 94%)15074(Top 267%)
10K6.21 mi3.10 mi26431+31315352+14015352+14026155(Top 92%)15208(Top 94%)15208(Top 270%)
15K9.32 mi3.11 mi26204+22715244+10815244+10825833(Top 91%)15074(Top 94%)15074(Top 267%)
20K12.43 mi3.11 mi26147+5715218+2615218+2625998(Top 92%)15120(Top 94%)15120(Top 268%)
Half13.11 mi0.68 mi26108+3915197+2115197+2125421(Top 89%)14852(Top 92%)14852(Top 263%)
25K15.53 mi2.42 mi25908+20015097+10015097+10024979(Top 88%)14641(Top 91%)14641(Top 260%)
30K18.64 mi3.11 mi25857+5115047+5015047+5025715(Top 91%)14855(Top 92%)14855(Top 263%)
20M20.00 mi1.36 mi2585715033+1415033+1425782(Top 91%)14824(Top 92%)14824(Top 263%)
21M21.00 mi1.00 mi25782+7514983+5014983+5024280(Top 85%)14052(Top 87%)14052(Top 249%)
35K21.75 mi0.75 mi25711+7114943+4014943+4023103(Top 81%)13443(Top 83%)13443(Top 238%)
23M23.00 mi1.25 mi25643+6814895+4814895+4823860(Top 84%)13770(Top 86%)13770(Top 244%)
24M24.00 mi1.00 mi25573+7014855+4014855+4023816(Top 84%)13730(Top 85%)13730(Top 243%)
40K24.85 mi0.85 mi25514+5914811+4414811+4423848(Top 84%)13698(Top 85%)13698(Top 243%)
25.2M25.20 mi0.35 mi25495+1914802+914802+923950(Top 84%)13752(Top 85%)13752(Top 244%)
Finish26.22 mi1.02 mi25441+5414778+2414778+2423591(Top 83%)13563(Top 84%)13563(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25833

Males

15074

M18-39

15074

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26155

Males

15208

M18-39

15208

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25833

Males

15074

M18-39

15074

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

25998

Males

15120

M18-39

15120

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25421

Males

14852

M18-39

14852

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24979

Males

14641

M18-39

14641

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25715

Males

14855

M18-39

14855

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25782

Males

14824

M18-39

14824

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24280

Males

14052

M18-39

14052

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

23103

Males

13443

M18-39

13443

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23860

Males

13770

M18-39

13770

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

23816

Males

13730

M18-39

13730

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23848

Males

13698

M18-39

13698

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23950

Males

13752

M18-39

13752

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23591

Males

13563

M18-39

13563

Passing Analysis

Category:
Athletes Passed
1697
Passed By
394
Net Change
+1303
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26744
5K → 10K37360+313#26744#26431
10K → 15K25326+227#26431#26204
15K → 20K15093+57#26204#26147
20K → Half445+39#26147#26108
Half → 25K21616+200#26108#25908
25K → 30K12271+51#25908#25857
30K → 20M52520#25857#25857
20M → 21M8914+75#25857#25782
21M → 35K798+71#25782#25711
35K → 23M7911+68#25711#25643
23M → 24M788+70#25643#25573
24M → 40K689+59#25573#25514
40K → 25.2M2910+19#25514#25495
25.2M → Finish6511+54#25495#25441
TOTALS1697394+1303
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing