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BOSTON MARATHON 2025

Jesús Chafino

Bib: 5037•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
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
6:45/mi
20:59
↑ 97↓ 3451.5%
10K· 6.21 mi
6:42/mi
41:48
↑ 79↓ 1380.4%
15K· 9.32 mi
6:41/mi
1:02:35
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:23:45
↑ 106↓ 860.1%
Half· 13.11 mi
6:52/mi
1:28:26
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:46:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:11:28
↑ 181↓ 1480.2%
20M
9:13/mi
2:24:00
↑ 64↓ 500.2%
21M
10:16/mi
2:34:16
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
2:41:07
↑ 17↓ 861.7%
23M
10:21/mi
2:54:05
↑ 23↓ 630.6%
24M
10:09/mi
3:04:14
↓ 821.3%
40K· 24.85 mi
10:04/mi
3:12:50
↓ 200.3%
25.2M
11:13/mi
3:16:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:33/mi
3:26:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:26
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:58:00
Pace9:00 /mi
📊Positive Split: 33.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4520:596:4520:59
6:45
-
10K
6.21 mi10:45:3441:486:4420:49
6:42
-0:03
15K
9.32 mi11:06:211:02:356:4320:47
6:41
-0:01
20K
12.43 mi11:27:311:23:456:4421:10
6:49
+0:08
Half
13.11 mi11:32:121:28:266:454:41
6:52
+0:03
25K
15.53 mi11:49:491:46:036:5017:37
7:16
+0:24
30K
18.64 mi12:15:142:11:287:0325:25
8:11
+0:55
20M
20.00 mi12:27:462:24:007:1212:32
9:13
+1:02
21M
21.00 mi12:38:022:34:167:2110:16
10:16
+1:03
35K
21.75 mi12:44:532:41:077:256:51
9:09
-1:07
23M
23.00 mi12:57:512:54:057:3412:58
10:21
+1:12
24M
24.00 mi13:08:003:04:147:4110:09
10:09
-0:12
40K
24.85 mi13:16:363:12:507:468:36
10:04
-0:05
25.2M
25.20 mi13:20:283:16:427:483:52
11:13
+1:09
Finish
26.22 mi13:30:123:26:267:539:44
9:33
-1:40

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

6:41 /mi

Average Pace

7:53 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:28

64% of race

Time at Steady Pace

29:07

14% of race

Time at Slower Pace

45:51

22% of race

Average Pace: 7:52 /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 mi10:24:4520:596:4520:59
6:45
#5956
10K
6.21 mi10:45:3441:486:4420:49
6:42
#5647
15K
9.32 mi11:06:211:02:356:4320:47
6:41
#5390
20K
12.43 mi11:27:311:23:456:4421:10
6:49
#5363
Half
13.11 mi11:32:121:28:266:454:41
6:52
#5447
25K
15.53 mi11:49:491:46:036:5017:37
7:16
#5951
30K
18.64 mi12:15:142:11:287:0325:25
8:11
#7020
20M
20.00 mi12:27:462:24:007:1212:32
9:13
#7742
21M
21.00 mi12:38:022:34:167:2110:16
10:16
#8511
35K
21.75 mi12:44:532:41:077:256:51
9:09
#8986
23M
23.00 mi12:57:512:54:057:3412:58
10:21
#10092
24M
24.00 mi13:08:003:04:147:4110:09
10:09
#10825
40K
24.85 mi13:16:363:12:507:468:36
10:04
#11328
25.2M
25.20 mi13:20:283:16:427:483:52
11:13
#11594
Finish
26.22 mi13:30:123:26:267:539:44
9:33
#12116
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5956548254824995(Top 18%)4647(Top 29%)4647(Top 82%)
10K6.21 mi3.10 mi5647+3095219+2635219+2635357(Top 19%)4958(Top 31%)4958(Top 88%)
15K9.32 mi3.11 mi5390+2574990+2294990+2294995(Top 18%)4647(Top 29%)4647(Top 82%)
20K12.43 mi3.11 mi5363+274962+284962+285434(Top 19%)4981(Top 31%)4981(Top 88%)
Half13.11 mi0.68 mi5447-845028-665028-666707(Top 24%)6003(Top 37%)6003(Top 106%)
25K15.53 mi2.42 mi5951-5045418-3905418-3908107(Top 29%)6832(Top 42%)6832(Top 121%)
30K18.64 mi3.11 mi7020-10696225-8076225-80712666(Top 45%)8980(Top 56%)8980(Top 159%)
20M20.00 mi1.36 mi7742-7226683-4586683-45817864(Top 63%)11180(Top 69%)11180(Top 198%)
21M21.00 mi1.00 mi8511-7697120-4377120-43719227(Top 68%)11717(Top 73%)11717(Top 208%)
35K21.75 mi0.75 mi8986-4757373-2537373-25318945(Top 67%)11459(Top 71%)11459(Top 203%)
23M23.00 mi1.25 mi10092-11067918-5457918-54521580(Top 76%)12659(Top 79%)12659(Top 224%)
24M24.00 mi1.00 mi10825-7338236-3188236-31821784(Top 77%)12699(Top 79%)12699(Top 225%)
40K24.85 mi0.85 mi11328-5038436-2008436-20020614(Top 73%)12087(Top 75%)12087(Top 214%)
25.2M25.20 mi0.35 mi11594-2668559-1238559-12321209(Top 75%)12371(Top 77%)12371(Top 219%)
Finish26.22 mi1.02 mi12116-5228781-2228781-22221340(Top 75%)12446(Top 77%)12446(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4995

Males

4647

M18-39

4647

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5357

Males

4958

M18-39

4958

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4995

Males

4647

M18-39

4647

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5434

Males

4981

M18-39

4981

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6707

Males

6003

M18-39

6003

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8107

Males

6832

M18-39

6832

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12666

Males

8980

M18-39

8980

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17864

Males

11180

M18-39

11180

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19227

Males

11717

M18-39

11717

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

18945

Males

11459

M18-39

11459

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21580

Males

12659

M18-39

12659

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21784

Males

12699

M18-39

12699

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20614

Males

12087

M18-39

12087

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21209

Males

12371

M18-39

12371

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21340

Males

12446

M18-39

12446

Passing Analysis

Category:
Athletes Passed
951
Passed By
7108
Net Change
-6160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5956
5K → 10K38374+309#5956#5647
10K → 15K28326+257#5647#5390
15K → 20K134107+27#5390#5363
20K → Half1195-84#5363#5447
Half → 25K39543-504#5447#5951
25K → 30K271096-1069#5951#7020
30K → 20M12734-722#7020#7742
20M → 21M11780-769#7742#8511
21M → 35K9484-475#8511#8986
35K → 23M51109-1106#8986#10092
23M → 24M13745-733#10092#10825
24M → 40K8511-503#10825#11328
40K → 25.2M5271-266#11328#11594
25.2M → Finish11533-522#11594#12116
TOTALS9517108-6160
📊

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