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BOSTON MARATHON 2025

Blake Johnston

Bib: 3138•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:17
Rank: #1913
Start → 5K
19:17 | 6:12/mi
10K· 6.21 mi
38:31
Rank: #1866 (+47)
5K → 10K
19:14 | 6:11/mi
15K· 9.32 mi
57:53
Rank: #1898 (-32)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:17:18
Rank: #1850 (+48)
15K → 20K
19:25 | 6:15/mi
Half· 13.11 mi
1:21:34
Rank: #1878 (-28)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:36:55
Rank: #1884 (-6)
Half → 25K
15:21 | 6:20/mi
30K· 18.64 mi
1:57:17
Rank: #1904 (-20)
25K → 30K
20:22 | 6:33/mi
20M
2:06:12
Rank: #1881 (+23)
30K → 20M
8:55 | 6:34/mi
21M
2:13:12
Rank: #1875 (+6)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:18:09
Rank: #1890 (-15)
21M → 35K
4:57 | 6:37/mi
23M
2:27:19
Rank: #2046 (-156)
35K → 23M
9:10 | 7:19/mi
24M
2:34:42
Rank: #2188 (-142)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
2:41:21
Rank: #2362 (-174)
24M → 40K
6:39 | 7:47/mi
25.2M
2:44:12
Rank: #2426 (-64)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
2:51:31
Rank: #2539 (-113)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:34
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:29:57
Pace6:52 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1419:176:1219:17
6:12
-
10K
6.21 mi10:40:2838:316:1219:14
6:11
-0:01
15K
9.32 mi10:59:5057:536:1319:22
6:14
+0:03
20K
12.43 mi11:19:151:17:186:1319:25
6:15
+0:01
Half
13.11 mi11:23:311:21:346:134:16
6:15
0:00
25K
15.53 mi11:38:521:36:556:1415:21
6:20
+0:05
30K
18.64 mi11:59:141:57:176:1720:22
6:33
+0:13
20M
20.00 mi12:08:092:06:126:198:55
6:34
+0:01
21M
21.00 mi12:15:092:13:126:217:00
7:00
+0:26
35K
21.75 mi12:20:062:18:096:214:57
6:37
-0:23
23M
23.00 mi12:29:162:27:196:249:10
7:19
+0:42
24M
24.00 mi12:36:392:34:426:277:23
7:23
+0:04
40K
24.85 mi12:43:182:41:216:306:39
7:47
+0:24
25.2M
25.20 mi12:46:092:44:126:312:51
8:16
+0:29
Finish
26.22 mi12:53:282:51:316:337:19
7:11
-1:05

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

6:11 /mi

Average Pace

6:33 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:34

48% of race

Time at Steady Pace

49:35

29% of race

Time at Slower Pace

40:22

24% of race

Average Pace: 6:32 /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 mi10:21:1419:176:1219:17
6:12
#1913
10K
6.21 mi10:40:2838:316:1219:14
6:11
#1866
15K
9.32 mi10:59:5057:536:1319:22
6:14
#1898
20K
12.43 mi11:19:151:17:186:1319:25
6:15
#1850
Half
13.11 mi11:23:311:21:346:134:16
6:15
#1878
25K
15.53 mi11:38:521:36:556:1415:21
6:20
#1884
30K
18.64 mi11:59:141:57:176:1720:22
6:33
#1904
20M
20.00 mi12:08:092:06:126:198:55
6:34
#1881
21M
21.00 mi12:15:092:13:126:217:00
7:00
#1875
35K
21.75 mi12:20:062:18:096:214:57
6:37
#1890
23M
23.00 mi12:29:162:27:196:249:10
7:19
#2046
24M
24.00 mi12:36:392:34:426:277:23
7:23
#2188
40K
24.85 mi12:43:182:41:216:306:39
7:47
#2362
25.2M
25.20 mi12:46:092:44:126:312:51
8:16
#2426
Finish
26.22 mi12:53:282:51:316:337:19
7:11
#2539
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1913181918192014(Top 7%)1918(Top 12%)1918(Top 34%)
10K6.21 mi3.10 mi1866+471776+431776+431871(Top 7%)1778(Top 11%)1778(Top 32%)
15K9.32 mi3.11 mi1898-321804-281804-282014(Top 7%)1918(Top 12%)1918(Top 34%)
20K12.43 mi3.11 mi1850+481761+431761+431800(Top 6%)1711(Top 11%)1711(Top 30%)
Half13.11 mi0.68 mi1878-281789-281789-282294(Top 8%)2195(Top 14%)2195(Top 39%)
25K15.53 mi2.42 mi1884-61795-61795-62035(Top 7%)1939(Top 12%)1939(Top 34%)
30K18.64 mi3.11 mi1904-201814-191814-192218(Top 8%)2101(Top 13%)2101(Top 37%)
20M20.00 mi1.36 mi1881+231790+241790+241886(Top 7%)1786(Top 11%)1786(Top 32%)
21M21.00 mi1.00 mi1875+61782+81782+82268(Top 8%)2119(Top 13%)2119(Top 38%)
35K21.75 mi0.75 mi1890-151794-121794-123063(Top 11%)2818(Top 17%)2818(Top 50%)
23M23.00 mi1.25 mi2046-1561945-1511945-1515574(Top 20%)4718(Top 29%)4718(Top 84%)
24M24.00 mi1.00 mi2188-1422081-1362081-1366915(Top 24%)5468(Top 34%)5468(Top 97%)
40K24.85 mi0.85 mi2362-1742246-1652246-1658568(Top 30%)6275(Top 39%)6275(Top 111%)
25.2M25.20 mi0.35 mi2426-642302-562302-567373(Top 26%)5538(Top 34%)5538(Top 98%)
Finish26.22 mi1.02 mi2539-1132405-1032405-1036901(Top 24%)5267(Top 33%)5267(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2014

Males

1918

M18-39

1918

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1871

Males

1778

M18-39

1778

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2014

Males

1918

M18-39

1918

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1800

Males

1711

M18-39

1711

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2294

Males

2195

M18-39

2195

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2035

Males

1939

M18-39

1939

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2218

Males

2101

M18-39

2101

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1886

Males

1786

M18-39

1786

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2268

Males

2119

M18-39

2119

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3063

Males

2818

M18-39

2818

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5574

Males

4718

M18-39

4718

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6915

Males

5468

M18-39

5468

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8568

Males

6275

M18-39

6275

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7373

Males

5538

M18-39

5538

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6901

Males

5267

M18-39

5267

Passing Analysis

Category:
Athletes Passed
539
Passed By
1165
Net Change
-626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1913
5K → 10K12578+47#1913#1866
10K → 15K4274-32#1866#1898
15K → 20K8739+48#1898#1850
20K → Half230-28#1850#1878
Half → 25K4147-6#1878#1884
25K → 30K80100-20#1884#1904
30K → 20M4421+23#1904#1881
20M → 21M4640+6#1881#1875
21M → 35K2136-15#1875#1890
35K → 23M13169-156#1890#2046
23M → 24M13155-142#2046#2188
24M → 40K10184-174#2188#2362
40K → 25.2M569-64#2362#2426
25.2M → Finish10123-113#2426#2539
TOTALS5391165-626
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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