Boston Marathon logo
BOSTON MARATHON 2025

Crispin Lazarit

CA

Bib: 13520 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M50-54)
#0 / 1996
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:00/mi
21:45
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:42/mi
42:33
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:41/mi
1:03:18
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:43/mi
1:24:11
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:33/mi
1:28:39
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:40/mi
1:44:50
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:08/mi
2:07:01
↑ 181↓ 1480.2%
138 ft elev
20M
7:21/mi
2:17:00
↑ 64↓ 500.2%
148 ft elev
21M
7:36/mi
2:24:36
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:33/mi
2:29:30
↑ 17↓ 861.7%
156 ft elev
23M
6:58/mi
2:38:13
↑ 23↓ 630.6%
116 ft elev
24M
7:10/mi
2:45:23
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:26/mi
2:51:44
↓ 200.3%
20 ft elev
25.2M
7:41/mi
2:54:23
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:54/mi
3:01:25
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:32:46
Pace7:05 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2221:457:0021:45
7:00
-
10K
6.21 mi11:11:1042:336:5120:48
6:42
-0:18
15K
9.32 mi11:31:551:03:186:4720:45
6:41
-0:01
20K
12.43 mi11:52:481:24:116:4620:53
6:43
+0:02
Half
13.11 mi11:57:161:28:396:464:28
6:33
-0:10
25K
15.53 mi12:13:271:44:506:4516:11
6:40
+0:07
30K
18.64 mi12:35:382:07:016:4922:11
7:08
+0:28
20M
20.00 mi12:45:372:17:006:519:59
7:21
+0:13
21M
21.00 mi12:53:132:24:366:537:36
7:36
+0:15
35K
21.75 mi12:58:072:29:306:524:54
6:33
-1:03
23M
23.00 mi13:06:502:38:136:538:43
6:58
+0:25
24M
24.00 mi13:14:002:45:236:537:10
7:10
+0:12
40K
24.85 mi13:20:212:51:446:556:21
7:26
+0:16
25.2M
25.20 mi13:23:002:54:236:552:39
7:41
+0:15
Finish
26.22 mi13:30:023:01:256:557:02
6:54
-0:47

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

6:33 /mi

Average Pace

6:55 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:50

85% of race

Time at Steady Pace

26:35

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:55 /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 mi10:50:2221:457:0021:45
7:00
#7804
10K
6.21 mi11:11:1042:336:5120:48
6:42
#6726
15K
9.32 mi11:31:551:03:186:4720:45
6:41
#6099
20K
12.43 mi11:52:481:24:116:4620:53
6:43
#5703
Half
13.11 mi11:57:161:28:396:464:28
6:33
#5596
25K
15.53 mi12:13:271:44:506:4516:11
6:40
#5259
30K
18.64 mi12:35:382:07:016:4922:11
7:08
#5281
20M
20.00 mi12:45:372:17:006:519:59
7:21
#5362
21M
21.00 mi12:53:132:24:366:537:36
7:36
#5317
35K
21.75 mi12:58:072:29:306:524:54
6:33
#5175
23M
23.00 mi13:06:502:38:136:538:43
6:58
#5046
24M
24.00 mi13:14:002:45:236:537:10
7:10
#5055
40K
24.85 mi13:20:212:51:446:556:21
7:26
#5065
25.2M
25.20 mi13:23:002:54:236:552:39
7:41
#5035
Finish
26.22 mi13:30:023:01:256:557:02
6:54
#4998
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7804686668664870(Top 17%)4541(Top 28%)4541(Top 228%)
10K6.21 mi3.10 mi6726+10786080+7866080+7865292(Top 19%)4904(Top 30%)4904(Top 246%)
15K9.32 mi3.11 mi6099+6275586+4945586+4944870(Top 17%)4541(Top 28%)4541(Top 228%)
20K12.43 mi3.11 mi5703+3965235+3515235+3514613(Top 16%)4286(Top 27%)4286(Top 215%)
Half13.11 mi0.68 mi5596+1075143+925143+923992(Top 14%)3756(Top 23%)3756(Top 188%)
25K15.53 mi2.42 mi5259+3374856+2874856+2873942(Top 14%)3681(Top 23%)3681(Top 184%)
30K18.64 mi3.11 mi5281-224853+34853+35544(Top 20%)4967(Top 31%)4967(Top 249%)
20M20.00 mi1.36 mi5362-814910-574910-576034(Top 21%)5215(Top 32%)5215(Top 261%)
21M21.00 mi1.00 mi5317+454862+484862+485105(Top 18%)4451(Top 28%)4451(Top 223%)
35K21.75 mi0.75 mi5175+1424740+1224740+1222724(Top 10%)2522(Top 16%)2522(Top 126%)
23M23.00 mi1.25 mi5046+1294622+1184622+1183533(Top 12%)3203(Top 20%)3203(Top 160%)
24M24.00 mi1.00 mi5055-94618+44618+45582(Top 20%)4645(Top 29%)4645(Top 233%)
40K24.85 mi0.85 mi5065-104619-14619-16329(Top 22%)5038(Top 31%)5038(Top 252%)
25.2M25.20 mi0.35 mi5035+304590+294590+294224(Top 15%)3580(Top 22%)3580(Top 179%)
Finish26.22 mi1.02 mi4998+374545+454545+455072(Top 18%)4160(Top 26%)4160(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4870

Males

4541

M50-54

4541

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5292

Males

4904

M50-54

4904

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4870

Males

4541

M50-54

4541

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4613

Males

4286

M50-54

4286

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

3992

Males

3756

M50-54

3756

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3942

Males

3681

M50-54

3681

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5544

Males

4967

M50-54

4967

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

6034

Males

5215

M50-54

5215

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

5105

Males

4451

M50-54

4451

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2724

Males

2522

M50-54

2522

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3533

Males

3203

M50-54

3203

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5582

Males

4645

M50-54

4645

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6329

Males

5038

M50-54

5038

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4224

Males

3580

M50-54

3580

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

5072

Males

4160

M50-54

4160

Passing Analysis

Category:
Athletes Passed
3371
Passed By
565
Net Change
+2806
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7804
5K → 10K10813+1078#7804#6726
10K → 15K6325+627#6726#6099
15K → 20K4059+396#6099#5703
20K → Half1070+107#5703#5596
Half → 25K3425+337#5596#5259
25K → 30K158180-22#5259#5281
30K → 20M54135-81#5281#5362
20M → 21M10257+45#5362#5317
21M → 35K1431+142#5317#5175
35K → 23M14920+129#5175#5046
23M → 24M5564-9#5046#5055
24M → 40K4656-10#5055#5065
40K → 25.2M366+30#5065#5035
25.2M → Finish6124+37#5035#4998
TOTALS3371565+2806
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing