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BOSTON MARATHON 2023

Brian Stephens

Bib: 6554•M

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:35
Rank: #7929
Start → 5K
22:35 | 7:16/mi
10K· 6.21 mi
45:34
Rank: #8674 (-745)
5K → 10K
22:59 | 7:24/mi
15K· 9.32 mi
1:09:04
Rank: #9275 (-601)
10K → 15K
23:30 | 7:34/mi
20K· 12.43 mi
1:33:37
Rank: #10121 (-846)
15K → 20K
24:33 | 7:54/mi
Half· 13.11 mi
1:38:46
Rank: #10136 (-15)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:04
Rank: #10482 (-346)
Half → 25K
19:18 | 7:58/mi
30K· 18.64 mi
2:23:39
Rank: #10832 (-350)
25K → 30K
25:35 | 8:14/mi
20M
2:35:30
Rank: #11137 (-305)
30K → 20M
11:51 | 8:43/mi
21M
2:44:13
Rank: #11162 (-25)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:50:18
Rank: #11235 (-73)
21M → 35K
6:05 | 8:08/mi
23M
3:01:01
Rank: #11395 (-160)
35K → 23M
10:43 | 8:34/mi
24M
3:09:57
Rank: #11702 (-307)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:17:37
Rank: #11887 (-185)
24M → 40K
7:40 | 8:58/mi
25.2M
3:20:53
Rank: #11957 (-70)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:29:56
Rank: #12234 (-277)
25.2M → Finish
9:03 | 8:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:46
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:51:10
Pace8:29 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0122:357:1622:35
7:16
-
10K
6.21 mi10:49:0045:347:2022:59
7:24
+0:08
15K
9.32 mi11:12:301:09:047:2523:30
7:34
+0:10
20K
12.43 mi11:37:031:33:377:3224:33
7:54
+0:20
Half
13.11 mi11:42:121:38:467:325:09
7:33
-0:21
25K
15.53 mi12:01:301:58:047:3619:18
7:58
+0:25
30K
18.64 mi12:27:052:23:397:4225:35
8:14
+0:16
20M
20.00 mi12:38:562:35:307:4611:51
8:43
+0:29
21M
21.00 mi12:47:392:44:137:498:43
8:43
0:00
35K
21.75 mi12:53:442:50:187:506:05
8:08
-0:35
23M
23.00 mi13:04:273:01:017:5210:43
8:34
+0:26
24M
24.00 mi13:13:233:09:577:558:56
8:56
+0:22
40K
24.85 mi13:21:033:17:377:577:40
8:58
+0:02
25.2M
25.20 mi13:24:193:20:537:583:16
9:28
+0:30
Finish
26.22 mi13:33:223:29:568:019:03
8:53
-0:35

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

7:16 /mi

Average Pace

8:01 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:46

47% of race

Time at Steady Pace

50:58

24% of race

Time at Slower Pace

1:00:12

29% of race

Average Pace: 8:00 /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 mi10:26:0122:357:1622:35
7:16
#7929
10K
6.21 mi10:49:0045:347:2022:59
7:24
#8674
15K
9.32 mi11:12:301:09:047:2523:30
7:34
#9275
20K
12.43 mi11:37:031:33:377:3224:33
7:54
#10121
Half
13.11 mi11:42:121:38:467:325:09
7:33
#10136
25K
15.53 mi12:01:301:58:047:3619:18
7:58
#10482
30K
18.64 mi12:27:052:23:397:4225:35
8:14
#10832
20M
20.00 mi12:38:562:35:307:4611:51
8:43
#11137
21M
21.00 mi12:47:392:44:137:498:43
8:43
#11162
35K
21.75 mi12:53:442:50:187:506:05
8:08
#11235
23M
23.00 mi13:04:273:01:017:5210:43
8:34
#11395
24M
24.00 mi13:13:233:09:577:558:56
8:56
#11702
40K
24.85 mi13:21:033:17:377:577:40
8:58
#11887
25.2M
25.20 mi13:24:193:20:537:583:16
9:28
#11957
Finish
26.22 mi13:33:223:29:568:019:03
8:53
#12234
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi79296927692710700(Top 40%)8508(Top 56%)8508(Top 161%)
10K6.21 mi3.10 mi8674-7457384-4577384-4579608(Top 36%)7936(Top 52%)7936(Top 150%)
15K9.32 mi3.11 mi9275-6017732-3487732-34810700(Top 40%)8508(Top 56%)8508(Top 161%)
20K12.43 mi3.11 mi10121-8468224-4928224-49212624(Top 47%)9272(Top 61%)9272(Top 175%)
Half13.11 mi0.68 mi10136-158221+38221+310597(Top 40%)8419(Top 55%)8419(Top 159%)
25K15.53 mi2.42 mi10482-3468379-1588379-15812381(Top 47%)9066(Top 60%)9066(Top 172%)
30K18.64 mi3.11 mi10832-3508503-1248503-12412559(Top 47%)9045(Top 60%)9045(Top 171%)
20M20.00 mi1.36 mi11137-3058611-1088611-10814947(Top 56%)9958(Top 66%)9958(Top 188%)
21M21.00 mi1.00 mi11162-258606+58606+511816(Top 44%)8481(Top 56%)8481(Top 160%)
35K21.75 mi0.75 mi11235-738627-218627-2112957(Top 49%)8955(Top 59%)8955(Top 169%)
23M23.00 mi1.25 mi11395-1608663-368663-3613557(Top 51%)9165(Top 60%)9165(Top 173%)
24M24.00 mi1.00 mi11702-3078788-1258788-12516896(Top 63%)10573(Top 70%)10573(Top 200%)
40K24.85 mi0.85 mi11887-1858840-528840-5215934(Top 60%)10095(Top 67%)10095(Top 191%)
25.2M25.20 mi0.35 mi11957-708862-228862-2214982(Top 56%)9658(Top 64%)9658(Top 183%)
Finish26.22 mi1.02 mi12234-2778962-1008962-10017384(Top 65%)10776(Top 71%)10776(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10700

Males

8508

M18-39

8508

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9608

Males

7936

M18-39

7936

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10700

Males

8508

M18-39

8508

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12624

Males

9272

M18-39

9272

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10597

Males

8419

M18-39

8419

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12381

Males

9066

M18-39

9066

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12559

Males

9045

M18-39

9045

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14947

Males

9958

M18-39

9958

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11816

Males

8481

M18-39

8481

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12957

Males

8955

M18-39

8955

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13557

Males

9165

M18-39

9165

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16896

Males

10573

M18-39

10573

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15934

Males

10095

M18-39

10095

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14982

Males

9658

M18-39

9658

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17384

Males

10776

M18-39

10776

Passing Analysis

Category:
Athletes Passed
521
Passed By
4825
Net Change
-4305
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7929
5K → 10K33778-745#7929#8674
10K → 15K35636-601#8674#9275
15K → 20K25870-846#9275#10121
20K → Half3348-15#10121#10136
Half → 25K49395-346#10136#10482
25K → 30K84434-350#10482#10832
30K → 20M28333-305#10832#11137
20M → 21M83108-25#11137#11162
21M → 35K2598-73#11162#11235
35K → 23M52212-160#11235#11395
23M → 24M15322-307#11395#11702
24M → 40K27212-185#11702#11887
40K → 25.2M1282-70#11887#11957
25.2M → Finish20297-277#11957#12234
TOTALS5214825-4305
📊

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