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BOSTON MARATHON 2023

James Jerram

Bib: 10227•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M60-64)
#0 / 1110
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #5294
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:59
Rank: #5955 (-661)
5K → 10K
21:39 | 6:58/mi
15K· 9.32 mi
1:04:50
Rank: #6227 (-272)
10K → 15K
21:51 | 7:02/mi
20K· 12.43 mi
1:27:15
Rank: #6474 (-247)
15K → 20K
22:25 | 7:13/mi
Half· 13.11 mi
1:32:08
Rank: #6516 (-42)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:50:18
Rank: #6771 (-255)
Half → 25K
18:10 | 7:30/mi
30K· 18.64 mi
2:14:48
Rank: #7169 (-398)
25K → 30K
24:30 | 7:53/mi
20M
2:25:48
Rank: #7377 (-208)
30K → 20M
11:00 | 8:06/mi
21M
2:34:24
Rank: #7539 (-162)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:40:13
Rank: #7603 (-64)
21M → 35K
5:49 | 7:46/mi
23M
2:50:30
Rank: #7785 (-182)
35K → 23M
10:17 | 8:13/mi
24M
2:58:24
Rank: #7892 (-107)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:05:10
Rank: #7920 (-28)
24M → 40K
6:46 | 7:55/mi
25.2M
3:08:07
Rank: #7940 (-20)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:16:05
Rank: #8046 (-106)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:08
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:43:57
Pace7:56 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2021:206:5221:20
6:52
-
10K
6.21 mi11:08:5942:596:5521:39
6:58
+0:06
15K
9.32 mi11:30:501:04:506:5721:51
7:02
+0:04
20K
12.43 mi11:53:151:27:157:0122:25
7:13
+0:11
Half
13.11 mi11:58:081:32:087:024:53
7:09
-0:04
25K
15.53 mi12:16:181:50:187:0618:10
7:30
+0:21
30K
18.64 mi12:40:482:14:487:1424:30
7:53
+0:23
20M
20.00 mi12:51:482:25:487:1711:00
8:06
+0:13
21M
21.00 mi13:00:242:34:247:218:36
8:36
+0:30
35K
21.75 mi13:06:132:40:137:225:49
7:46
-0:50
23M
23.00 mi13:16:302:50:307:2510:17
8:13
+0:27
24M
24.00 mi13:24:242:58:247:267:54
7:54
-0:19
40K
24.85 mi13:31:103:05:107:276:46
7:55
+0:01
25.2M
25.20 mi13:34:073:08:077:282:57
8:33
+0:38
Finish
26.22 mi13:42:053:16:057:297:58
7:49
-0:44

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

6:52 /mi

Average Pace

7:29 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:18

56% of race

Time at Steady Pace

52:57

27% of race

Time at Slower Pace

32:50

17% of race

Average Pace: 7:29 /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 mi10:47:2021:206:5221:20
6:52
#5294
10K
6.21 mi11:08:5942:596:5521:39
6:58
#5955
15K
9.32 mi11:30:501:04:506:5721:51
7:02
#6227
20K
12.43 mi11:53:151:27:157:0122:25
7:13
#6474
Half
13.11 mi11:58:081:32:087:024:53
7:09
#6516
25K
15.53 mi12:16:181:50:187:0618:10
7:30
#6771
30K
18.64 mi12:40:482:14:487:1424:30
7:53
#7169
20M
20.00 mi12:51:482:25:487:1711:00
8:06
#7377
21M
21.00 mi13:00:242:34:247:218:36
8:36
#7539
35K
21.75 mi13:06:132:40:137:225:49
7:46
#7603
23M
23.00 mi13:16:302:50:307:2510:17
8:13
#7785
24M
24.00 mi13:24:242:58:247:267:54
7:54
#7892
40K
24.85 mi13:31:103:05:107:276:46
7:55
#7920
25.2M
25.20 mi13:34:073:08:077:282:57
8:33
#7940
Finish
26.22 mi13:42:053:16:057:297:58
7:49
#8046
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi5294490149016768(Top 25%)6066(Top 40%)6066(Top 546%)
10K6.21 mi3.10 mi5955-6615450-5495450-5496609(Top 25%)5941(Top 39%)5941(Top 535%)
15K9.32 mi3.11 mi6227-2725656-2065656-2066768(Top 25%)6066(Top 40%)6066(Top 546%)
20K12.43 mi3.11 mi6474-2475844-1885844-1887192(Top 27%)6350(Top 42%)6350(Top 572%)
Half13.11 mi0.68 mi6516-425874-305874-307555(Top 28%)6614(Top 44%)6614(Top 596%)
25K15.53 mi2.42 mi6771-2556060-1866060-1868714(Top 33%)7268(Top 48%)7268(Top 655%)
30K18.64 mi3.11 mi7169-3986345-2856345-28510003(Top 38%)7822(Top 52%)7822(Top 705%)
20M20.00 mi1.36 mi7377-2086461-1166461-11610946(Top 41%)8218(Top 54%)8218(Top 740%)
21M21.00 mi1.00 mi7539-1626542-816542-8111025(Top 41%)8119(Top 53%)8119(Top 731%)
35K21.75 mi0.75 mi7603-646579-376579-3710408(Top 39%)7813(Top 51%)7813(Top 704%)
23M23.00 mi1.25 mi7785-1826673-946673-9411231(Top 42%)8080(Top 53%)8080(Top 728%)
24M24.00 mi1.00 mi7892-1076718-456718-4510481(Top 39%)7636(Top 50%)7636(Top 688%)
40K24.85 mi0.85 mi7920-286717+16717+19399(Top 35%)7026(Top 46%)7026(Top 633%)
25.2M25.20 mi0.35 mi7940-206721-46721-49789(Top 37%)7175(Top 47%)7175(Top 646%)
Finish26.22 mi1.02 mi8046-1066765-446765-4410764(Top 40%)7675(Top 51%)7675(Top 691%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6768

Males

6066

M60-64

6066

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6609

Males

5941

M60-64

5941

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6768

Males

6066

M60-64

6066

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7192

Males

6350

M60-64

6350

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7555

Males

6614

M60-64

6614

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8714

Males

7268

M60-64

7268

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10003

Males

7822

M60-64

7822

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10946

Males

8218

M60-64

8218

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11025

Males

8119

M60-64

8119

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10408

Males

7813

M60-64

7813

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11231

Males

8080

M60-64

8080

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10481

Males

7636

M60-64

7636

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9399

Males

7026

M60-64

7026

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9789

Males

7175

M60-64

7175

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10764

Males

7675

M60-64

7675

Passing Analysis

Category:
Athletes Passed
435
Passed By
3187
Net Change
-2752
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5294
5K → 10K34695-661#5294#5955
10K → 15K39311-272#5955#6227
15K → 20K37284-247#6227#6474
20K → Half1254-42#6474#6516
Half → 25K28283-255#6516#6771
25K → 30K35433-398#6771#7169
30K → 20M22230-208#7169#7377
20M → 21M25187-162#7377#7539
21M → 35K2185-64#7539#7603
35K → 23M38220-182#7603#7785
23M → 24M41148-107#7785#7892
24M → 40K5179-28#7892#7920
40K → 25.2M1939-20#7920#7940
25.2M → Finish33139-106#7940#8046
TOTALS4353187-2752
📊

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