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BOSTON MARATHON 2025

John Racine

Bib: 9246•M

ON

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #6005
Start → 5K
6:46/mi
21:00 split
10K· 6.21 mi
42:27
Rank: #6596 (-591)
5K → 10K
6:54/mi
21:27 split
15K· 9.32 mi
1:04:37
Rank: #7323 (-727)
10K → 15K
7:08/mi
22:10 split
20K· 12.43 mi
1:28:42
Rank: #8443 (-1120)
15K → 20K
7:45/mi
24:05 split
Half· 13.11 mi
1:34:08
Rank: #8802 (-359)
20K → Half
7:58/mi
5:26 split
25K· 15.53 mi
1:54:15
Rank: #10040 (-1238)
Half → 25K
8:18/mi
20:07 split
30K· 18.64 mi
2:22:06
Rank: #11622 (-1582)
25K → 30K
8:58/mi
27:51 split
20M
2:34:44
Rank: #12209 (-587)
30K → 20M
9:18/mi
12:38 split
21M
2:44:44
Rank: #12650 (-441)
20M → 21M
10:00/mi
10:00 split
35K· 21.75 mi
2:51:29
Rank: #12898 (-248)
21M → 35K
9:01/mi
6:45 split
23M
3:03:03
Rank: #13213 (-315)
35K → 23M
9:14/mi
11:34 split
24M
3:12:08
Rank: #13432 (-219)
23M → 24M
9:05/mi
9:05 split
40K· 24.85 mi
3:20:19
Rank: #13713 (-281)
24M → 40K
9:34/mi
8:11 split
25.2M
3:23:53
Rank: #13813 (-100)
40K → 25.2M
10:21/mi
3:34 split
Finish· 26.22 mi
3:33:02
Rank: #14031 (-218)
25.2M → Finish
8:59/mi
9:09 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:08
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:58:54
Pace9:04 /mi
📊Positive Split: 26.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1321:006:4621:00
6:46
-
10K
6.21 mi11:07:4042:276:5021:27
6:54
+0:08
15K
9.32 mi11:29:501:04:376:5622:10
7:08
+0:14
20K
12.43 mi11:53:551:28:427:0824:05
7:45
+0:37
Half
13.11 mi11:59:211:34:087:115:26
7:58
+0:13
25K
15.53 mi12:19:281:54:157:2120:07
8:18
+0:20
30K
18.64 mi12:47:192:22:067:3727:51
8:58
+0:40
20M
20.00 mi12:59:572:34:447:4412:38
9:18
+0:20
21M
21.00 mi13:09:572:44:447:5110:00
10:00
+0:42
35K
21.75 mi13:16:422:51:297:536:45
9:01
-0:59
23M
23.00 mi13:28:163:03:037:5811:34
9:14
+0:13
24M
24.00 mi13:37:213:12:088:009:05
9:05
-0:09
40K
24.85 mi13:45:323:20:198:048:11
9:34
+0:29
25.2M
25.20 mi13:49:063:23:538:053:34
10:21
+0:47
Finish
26.22 mi13:58:153:33:028:089:09
8:59
-1:22

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

6:46 /mi

Average Pace

8:08 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:15

54% of race

Time at Steady Pace

1:17:02

36% of race

Time at Slower Pace

21:45

10% of race

Average Pace: 8:07 /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 mi10:46:1321:006:4621:00
6:46
#6005
10K
6.21 mi11:07:4042:276:5021:27
6:54
#6596
15K
9.32 mi11:29:501:04:376:5622:10
7:08
#7323
20K
12.43 mi11:53:551:28:427:0824:05
7:45
#8443
Half
13.11 mi11:59:211:34:087:115:26
7:58
#8802
25K
15.53 mi12:19:281:54:157:2120:07
8:18
#10040
30K
18.64 mi12:47:192:22:067:3727:51
8:58
#11622
20M
20.00 mi12:59:572:34:447:4412:38
9:18
#12209
21M
21.00 mi13:09:572:44:447:5110:00
10:00
#12650
35K
21.75 mi13:16:422:51:297:536:45
9:01
#12898
23M
23.00 mi13:28:163:03:037:5811:34
9:14
#13213
24M
24.00 mi13:37:213:12:088:009:05
9:05
#13432
40K
24.85 mi13:45:323:20:198:048:11
9:34
#13713
25.2M
25.20 mi13:49:063:23:538:053:34
10:21
#13813
Finish
26.22 mi13:58:153:33:028:089:09
8:59
#14031
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6005552455248589(Top 30%)7306(Top 45%)7306(Top 306%)
10K6.21 mi3.10 mi6596-5915988-4645988-4647264(Top 26%)6486(Top 40%)6486(Top 272%)
15K9.32 mi3.11 mi7323-7276524-5366524-5368589(Top 30%)7306(Top 45%)7306(Top 306%)
20K12.43 mi3.11 mi8443-11207222-6987222-69812853(Top 45%)9353(Top 58%)9353(Top 392%)
Half13.11 mi0.68 mi8802-3597439-2177439-21715549(Top 55%)10577(Top 66%)10577(Top 443%)
25K15.53 mi2.42 mi10040-12388087-6488087-64815881(Top 56%)10591(Top 66%)10591(Top 444%)
30K18.64 mi3.11 mi11622-15828801-7148801-71417471(Top 62%)11132(Top 69%)11132(Top 467%)
20M20.00 mi1.36 mi12209-5879036-2359036-23518258(Top 64%)11337(Top 70%)11337(Top 475%)
21M21.00 mi1.00 mi12650-4419201-1659201-16518271(Top 64%)11287(Top 70%)11287(Top 473%)
35K21.75 mi0.75 mi12898-2489296-959296-9518299(Top 64%)11169(Top 69%)11169(Top 468%)
23M23.00 mi1.25 mi13213-3159386-909386-9017492(Top 62%)10727(Top 67%)10727(Top 450%)
24M24.00 mi1.00 mi13432-2199456-709456-7017765(Top 63%)10807(Top 67%)10807(Top 453%)
40K24.85 mi0.85 mi13713-2819552-969552-9618958(Top 67%)11289(Top 70%)11289(Top 473%)
25.2M25.20 mi0.35 mi13813-1009570-189570-1818381(Top 65%)10989(Top 68%)10989(Top 461%)
Finish26.22 mi1.02 mi14031-2189658-889658-8818900(Top 67%)11300(Top 70%)11300(Top 474%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8589

Males

7306

M45-49

7306

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7264

Males

6486

M45-49

6486

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8589

Males

7306

M45-49

7306

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12853

Males

9353

M45-49

9353

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15549

Males

10577

M45-49

10577

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15881

Males

10591

M45-49

10591

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17471

Males

11132

M45-49

11132

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18258

Males

11337

M45-49

11337

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18271

Males

11287

M45-49

11287

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18299

Males

11169

M45-49

11169

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17492

Males

10727

M45-49

10727

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17765

Males

10807

M45-49

10807

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

18958

Males

11289

M45-49

11289

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18381

Males

10989

M45-49

10989

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

18900

Males

11300

M45-49

11300

Passing Analysis

Category:
Athletes Passed
373
Passed By
8397
Net Change
-8026
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6005
5K → 10K50641-591#6005#6596
10K → 15K27754-727#6596#7323
15K → 20K141134-1120#7323#8443
20K → Half3362-359#8443#8802
Half → 25K221259-1238#8802#10040
25K → 30K291610-1582#10040#11622
30K → 20M33620-587#11622#12209
20M → 21M25466-441#12209#12650
21M → 35K17265-248#12650#12898
35K → 23M52367-315#12898#13213
23M → 24M32251-219#13213#13432
24M → 40K29310-281#13432#13713
40K → 25.2M15115-100#13713#13813
25.2M → Finish25243-218#13813#14031
TOTALS3738397-8026
📊

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