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BOSTON MARATHON 2025

Brendan Morrow-Jones

Bib: 1803•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:49
Rank: #2943
Start → 5K
19:49 | 6:23/mi
10K· 6.21 mi
39:21
Rank: #2635 (+308)
5K → 10K
19:32 | 6:17/mi
15K· 9.32 mi
58:59
Rank: #2557 (+78)
10K → 15K
19:38 | 6:19/mi
20K· 12.43 mi
1:18:40
Rank: #2431 (+126)
15K → 20K
19:41 | 6:20/mi
Half· 13.11 mi
1:22:55
Rank: #2407 (+24)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:38:15
Rank: #2312 (+95)
Half → 25K
15:20 | 6:19/mi
30K· 18.64 mi
1:58:15
Rank: #2153 (+159)
25K → 30K
20:00 | 6:26/mi
20M
2:07:10
Rank: #2112 (+41)
30K → 20M
8:55 | 6:34/mi
21M
2:14:18
Rank: #2135 (-23)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:19:04
Rank: #2106 (+29)
21M → 35K
4:46 | 6:22/mi
23M
2:27:19
Rank: #2043 (+63)
35K → 23M
8:15 | 6:35/mi
24M
2:34:02
Rank: #2055 (-12)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:40:03
Rank: #2089 (-34)
24M → 40K
6:01 | 7:02/mi
25.2M
2:42:40
Rank: #2111 (-22)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:49:32
Rank: #2178 (-67)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:55
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:26:37
Pace6:36 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2919:496:2319:49
6:23
-
10K
6.21 mi10:40:0139:216:2019:32
6:17
-0:06
15K
9.32 mi10:59:3958:596:2019:38
6:19
+0:02
20K
12.43 mi11:19:201:18:406:2019:41
6:20
+0:01
Half
13.11 mi11:23:351:22:556:194:15
6:14
-0:06
25K
15.53 mi11:38:551:38:156:1915:20
6:19
+0:05
30K
18.64 mi11:58:551:58:156:2120:00
6:26
+0:07
20M
20.00 mi12:07:502:07:106:218:55
6:34
+0:08
21M
21.00 mi12:14:582:14:186:247:08
7:08
+0:34
35K
21.75 mi12:19:442:19:046:244:46
6:22
-0:46
23M
23.00 mi12:27:592:27:196:248:15
6:35
+0:13
24M
24.00 mi12:34:422:34:026:256:43
6:43
+0:08
40K
24.85 mi12:40:432:40:036:266:01
7:02
+0:19
25.2M
25.20 mi12:43:202:42:406:272:37
7:35
+0:33
Finish
26.22 mi12:50:122:49:326:286:52
6:44
-0:51

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

6:14 /mi

Average Pace

6:28 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:15

3% of race

Time at Steady Pace

2:15:56

80% of race

Time at Slower Pace

29:21

17% of race

Average Pace: 6:28 /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 mi10:20:2919:496:2319:49
6:23
#2943
10K
6.21 mi10:40:0139:216:2019:32
6:17
#2635
15K
9.32 mi10:59:3958:596:2019:38
6:19
#2557
20K
12.43 mi11:19:201:18:406:2019:41
6:20
#2431
Half
13.11 mi11:23:351:22:556:194:15
6:14
#2407
25K
15.53 mi11:38:551:38:156:1915:20
6:19
#2312
30K
18.64 mi11:58:551:58:156:2120:00
6:26
#2153
20M
20.00 mi12:07:502:07:106:218:55
6:34
#2112
21M
21.00 mi12:14:582:14:186:247:08
7:08
#2135
35K
21.75 mi12:19:442:19:046:244:46
6:22
#2106
23M
23.00 mi12:27:592:27:196:248:15
6:35
#2043
24M
24.00 mi12:34:422:34:026:256:43
6:43
#2055
40K
24.85 mi12:40:432:40:036:266:01
7:02
#2089
25.2M
25.20 mi12:43:202:42:406:272:37
7:35
#2111
Finish
26.22 mi12:50:122:49:326:286:52
6:44
#2178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2943279927992443(Top 9%)2332(Top 14%)2332(Top 41%)
10K6.21 mi3.10 mi2635+3082509+2902509+2902331(Top 8%)2230(Top 14%)2230(Top 40%)
15K9.32 mi3.11 mi2557+782437+722437+722443(Top 9%)2332(Top 14%)2332(Top 41%)
20K12.43 mi3.11 mi2431+1262319+1182319+1182183(Top 8%)2082(Top 13%)2082(Top 37%)
Half13.11 mi0.68 mi2407+242297+222297+222119(Top 7%)2023(Top 13%)2023(Top 36%)
25K15.53 mi2.42 mi2312+952206+912206+911980(Top 7%)1884(Top 12%)1884(Top 33%)
30K18.64 mi3.11 mi2153+1592051+1552051+1551702(Top 6%)1615(Top 10%)1615(Top 29%)
20M20.00 mi1.36 mi2112+412010+412010+411859(Top 7%)1759(Top 11%)1759(Top 31%)
21M21.00 mi1.00 mi2135-232034-242034-242810(Top 10%)2604(Top 16%)2604(Top 46%)
35K21.75 mi0.75 mi2106+292005+292005+291889(Top 7%)1773(Top 11%)1773(Top 31%)
23M23.00 mi1.25 mi2043+631942+631942+631777(Top 6%)1663(Top 10%)1663(Top 29%)
24M24.00 mi1.00 mi2055-121952-101952-103033(Top 11%)2746(Top 17%)2746(Top 49%)
40K24.85 mi0.85 mi2089-341983-311983-314082(Top 14%)3540(Top 22%)3540(Top 63%)
25.2M25.20 mi0.35 mi2111-222004-212004-213720(Top 13%)3202(Top 20%)3202(Top 57%)
Finish26.22 mi1.02 mi2178-672067-632067-634081(Top 14%)3484(Top 22%)3484(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2443

Males

2332

M18-39

2332

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2331

Males

2230

M18-39

2230

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2443

Males

2332

M18-39

2332

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2183

Males

2082

M18-39

2082

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2119

Males

2023

M18-39

2023

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1980

Males

1884

M18-39

1884

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1702

Males

1615

M18-39

1615

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1859

Males

1759

M18-39

1759

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2810

Males

2604

M18-39

2604

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1889

Males

1773

M18-39

1773

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1777

Males

1663

M18-39

1663

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3033

Males

2746

M18-39

2746

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4082

Males

3540

M18-39

3540

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3720

Males

3202

M18-39

3202

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4081

Males

3484

M18-39

3484

Passing Analysis

Category:
Athletes Passed
1193
Passed By
428
Net Change
+765
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2943
5K → 10K33527+308#2943#2635
10K → 15K11537+78#2635#2557
15K → 20K14923+126#2557#2431
20K → Half295+24#2431#2407
Half → 25K10611+95#2407#2312
25K → 30K17516+159#2312#2153
30K → 20M5615+41#2153#2112
20M → 21M3356-23#2112#2135
21M → 35K389+29#2135#2106
35K → 23M7411+63#2106#2043
23M → 24M3547-12#2043#2055
24M → 40K2660-34#2055#2089
40K → 25.2M830-22#2089#2111
25.2M → Finish1481-67#2111#2178
TOTALS1193428+765
📊

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