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BOSTON MARATHON 2025

Christopher Diaz

Bib: 6661•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M40-44)
#0 / 2247
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
20:57
↑ 97↓ 3451.5%
10K· 6.21 mi
6:50/mi
42:12
↑ 79↓ 1380.4%
15K· 9.32 mi
6:54/mi
1:03:39
↑ 67↓ 78
20K· 12.43 mi
7:01/mi
1:25:27
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:30:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:47:32
↑ 66↓ 880.2%
30K· 18.64 mi
7:31/mi
2:10:53
↑ 181↓ 1480.2%
20M
7:53/mi
2:21:36
↑ 64↓ 500.2%
21M
8:19/mi
2:29:55
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:35:25
↑ 17↓ 861.7%
23M
7:46/mi
2:45:09
↑ 23↓ 630.6%
24M
7:38/mi
2:52:47
↓ 821.3%
40K· 24.85 mi
7:51/mi
2:59:30
↓ 200.3%
25.2M
8:42/mi
3:02:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:10:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:11
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:39:52
Pace7:37 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0120:576:4520:57
6:45
-
10K
6.21 mi10:48:1642:126:4721:15
6:50
+0:05
15K
9.32 mi11:09:431:03:396:5021:27
6:54
+0:04
20K
12.43 mi11:31:311:25:276:5321:48
7:01
+0:07
Half
13.11 mi11:36:151:30:116:534:44
6:56
-0:05
25K
15.53 mi11:53:361:47:326:5517:21
7:09
+0:13
30K
18.64 mi12:16:572:10:537:0123:21
7:31
+0:22
20M
20.00 mi12:27:402:21:367:0510:43
7:53
+0:22
21M
21.00 mi12:35:592:29:557:088:19
8:19
+0:26
35K
21.75 mi12:41:292:35:257:095:30
7:21
-0:58
23M
23.00 mi12:51:132:45:097:119:44
7:46
+0:25
24M
24.00 mi12:58:512:52:477:127:38
7:38
-0:08
40K
24.85 mi13:05:342:59:307:136:43
7:51
+0:13
25.2M
25.20 mi13:08:343:02:307:153:00
8:42
+0:51
Finish
26.22 mi13:16:073:10:037:157:33
7:25
-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

6:45 /mi

Average Pace

7:15 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:11

47% of race

Time at Steady Pace

1:01:23

32% of race

Time at Slower Pace

38:29

20% of race

Average Pace: 7:15 /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 mi10:27:0120:576:4520:57
6:45
#5826
10K
6.21 mi10:48:1642:126:4721:15
6:50
#6220
15K
9.32 mi11:09:431:03:396:5021:27
6:54
#6474
20K
12.43 mi11:31:311:25:276:5321:48
7:01
#6630
Half
13.11 mi11:36:151:30:116:534:44
6:56
#6661
25K
15.53 mi11:53:361:47:326:5517:21
7:09
#6737
30K
18.64 mi12:16:572:10:537:0123:21
7:31
#6806
20M
20.00 mi12:27:402:21:367:0510:43
7:53
#6918
21M
21.00 mi12:35:592:29:557:088:19
8:19
#6979
35K
21.75 mi12:41:292:35:257:095:30
7:21
#6973
23M
23.00 mi12:51:132:45:097:119:44
7:46
#6981
24M
24.00 mi12:58:512:52:477:127:38
7:38
#7004
40K
24.85 mi13:05:342:59:307:136:43
7:51
#7027
25.2M
25.20 mi13:08:343:02:307:153:00
8:42
#7059
Finish
26.22 mi13:16:073:10:037:157:33
7:25
#7078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5826537153716975(Top 25%)6228(Top 39%)6228(Top 277%)
10K6.21 mi3.10 mi6220-3945696-3255696-3256777(Top 24%)6106(Top 38%)6106(Top 272%)
15K9.32 mi3.11 mi6474-2545874-1785874-1786975(Top 25%)6228(Top 39%)6228(Top 277%)
20K12.43 mi3.11 mi6630-1565986-1125986-1126961(Top 25%)6176(Top 38%)6176(Top 275%)
Half13.11 mi0.68 mi6661-316014-286014-287110(Top 25%)6287(Top 39%)6287(Top 280%)
25K15.53 mi2.42 mi6737-766050-366050-367296(Top 26%)6310(Top 39%)6310(Top 281%)
30K18.64 mi3.11 mi6806-696061-116061-117841(Top 28%)6487(Top 40%)6487(Top 289%)
20M20.00 mi1.36 mi6918-1126121-606121-609578(Top 34%)7291(Top 45%)7291(Top 324%)
21M21.00 mi1.00 mi6979-616137-166137-169282(Top 33%)6966(Top 43%)6966(Top 310%)
35K21.75 mi0.75 mi6973+66121+166121+167505(Top 26%)5982(Top 37%)5982(Top 266%)
23M23.00 mi1.25 mi6981-86087+346087+348371(Top 29%)6367(Top 40%)6367(Top 283%)
24M24.00 mi1.00 mi7004-236065+226065+228603(Top 30%)6423(Top 40%)6423(Top 286%)
40K24.85 mi0.85 mi7027-236051+146051+149127(Top 32%)6574(Top 41%)6574(Top 293%)
25.2M25.20 mi0.35 mi7059-326055-46055-49899(Top 35%)6875(Top 43%)6875(Top 306%)
Finish26.22 mi1.02 mi7078-196046+96046+98512(Top 30%)6184(Top 38%)6184(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6975

Males

6228

M40-44

6228

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6777

Males

6106

M40-44

6106

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6975

Males

6228

M40-44

6228

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6961

Males

6176

M40-44

6176

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7110

Males

6287

M40-44

6287

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7296

Males

6310

M40-44

6310

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7841

Males

6487

M40-44

6487

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9578

Males

7291

M40-44

7291

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9282

Males

6966

M40-44

6966

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7505

Males

5982

M40-44

5982

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8371

Males

6367

M40-44

6367

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8603

Males

6423

M40-44

6423

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9127

Males

6574

M40-44

6574

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9899

Males

6875

M40-44

6875

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8512

Males

6184

M40-44

6184

Passing Analysis

Category:
Athletes Passed
996
Passed By
2248
Net Change
-1252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5826
5K → 10K74468-394#5826#6220
10K → 15K83337-254#6220#6474
15K → 20K93249-156#6474#6630
20K → Half1344-31#6630#6661
Half → 25K100176-76#6661#6737
25K → 30K152221-69#6737#6806
30K → 20M61173-112#6806#6918
20M → 21M83144-61#6918#6979
21M → 35K5347+6#6979#6973
35K → 23M8997-8#6973#6981
23M → 24M6285-23#6981#7004
24M → 40K5578-23#7004#7027
40K → 25.2M1648-32#7027#7059
25.2M → Finish6281-19#7059#7078
TOTALS9962248-1252
📊

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