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BOSTON MARATHON 2023

James Goswell

Bib: 1479•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Division (M18-39)
#0 / 5285
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:47
Rank: #1682
Start → 5K
19:47 | 6:22/mi
10K· 6.21 mi
39:49
Rank: #2022 (-340)
5K → 10K
20:02 | 6:27/mi
15K· 9.32 mi
59:32
Rank: #1947 (+75)
10K → 15K
19:43 | 6:21/mi
20K· 12.43 mi
1:19:39
Rank: #1981 (-34)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:24:02
Rank: #1995 (-14)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:39:43
Rank: #1979 (+16)
Half → 25K
15:41 | 6:28/mi
30K· 18.64 mi
2:00:31
Rank: #2054 (-75)
25K → 30K
20:48 | 6:42/mi
20M
2:09:43
Rank: #2074 (-20)
30K → 20M
9:12 | 6:46/mi
21M
2:16:57
Rank: #2104 (-30)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:21:43
Rank: #2089 (+15)
21M → 35K
4:46 | 6:22/mi
23M
2:30:17
Rank: #2101 (-12)
35K → 23M
8:34 | 6:51/mi
24M
2:36:41
Rank: #2060 (+41)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:42:22
Rank: #2035 (+25)
24M → 40K
5:41 | 6:39/mi
25.2M
2:44:54
Rank: #2043 (-8)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:51:37
Rank: #2037 (+6)
25.2M → Finish
6:43 | 6:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:02
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:27:35
Pace6:41 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1319:476:2219:47
6:22
-
10K
6.21 mi10:40:1539:496:2420:02
6:27
+0:05
15K
9.32 mi10:59:5859:326:2319:43
6:21
-0:06
20K
12.43 mi11:20:051:19:396:2520:07
6:28
+0:07
Half
13.11 mi11:24:281:24:026:254:23
6:25
-0:03
25K
15.53 mi11:40:091:39:436:2515:41
6:28
+0:03
30K
18.64 mi12:00:572:00:316:2820:48
6:42
+0:14
20M
20.00 mi12:10:092:09:436:299:12
6:46
+0:04
21M
21.00 mi12:17:232:16:576:317:14
7:14
+0:28
35K
21.75 mi12:22:092:21:436:314:46
6:22
-0:52
23M
23.00 mi12:30:432:30:176:328:34
6:51
+0:29
24M
24.00 mi12:37:072:36:416:326:24
6:24
-0:27
40K
24.85 mi12:42:482:42:226:325:41
6:39
+0:15
25.2M
25.20 mi12:45:202:44:546:332:32
7:21
+0:42
Finish
26.22 mi12:52:032:51:376:336:43
6:35
-0:46

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

6:21 /mi

Average Pace

6:33 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:51

94% of race

Time at Steady Pace

9:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:20:1319:476:2219:47
6:22
#1682
10K
6.21 mi10:40:1539:496:2420:02
6:27
#2022
15K
9.32 mi10:59:5859:326:2319:43
6:21
#1947
20K
12.43 mi11:20:051:19:396:2520:07
6:28
#1981
Half
13.11 mi11:24:281:24:026:254:23
6:25
#1995
25K
15.53 mi11:40:091:39:436:2515:41
6:28
#1979
30K
18.64 mi12:00:572:00:316:2820:48
6:42
#2054
20M
20.00 mi12:10:092:09:436:299:12
6:46
#2074
21M
21.00 mi12:17:232:16:576:317:14
7:14
#2104
35K
21.75 mi12:22:092:21:436:314:46
6:22
#2089
23M
23.00 mi12:30:432:30:176:328:34
6:51
#2101
24M
24.00 mi12:37:072:36:416:326:24
6:24
#2060
40K
24.85 mi12:42:482:42:226:325:41
6:39
#2035
25.2M
25.20 mi12:45:202:44:546:332:32
7:21
#2043
Finish
26.22 mi12:52:032:51:376:336:43
6:35
#2037
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1682160316031861(Top 7%)1783(Top 12%)1783(Top 34%)
10K6.21 mi3.10 mi2022-3401938-3351938-3352478(Top 9%)2369(Top 16%)2369(Top 45%)
15K9.32 mi3.11 mi1947+751863+751863+751861(Top 7%)1783(Top 12%)1783(Top 34%)
20K12.43 mi3.11 mi1981-341897-341897-342155(Top 8%)2067(Top 14%)2067(Top 39%)
Half13.11 mi0.68 mi1995-141911-141911-142329(Top 9%)2234(Top 15%)2234(Top 42%)
25K15.53 mi2.42 mi1979+161896+151896+152016(Top 8%)1931(Top 13%)1931(Top 37%)
30K18.64 mi3.11 mi2054-751970-741970-742368(Top 9%)2254(Top 15%)2254(Top 43%)
20M20.00 mi1.36 mi2074-201988-181988-182618(Top 10%)2475(Top 16%)2475(Top 47%)
21M21.00 mi1.00 mi2104-302016-282016-283250(Top 12%)3030(Top 20%)3030(Top 57%)
35K21.75 mi0.75 mi2089+152003+132003+131854(Top 7%)1760(Top 12%)1760(Top 33%)
23M23.00 mi1.25 mi2101-122014-112014-112864(Top 11%)2674(Top 18%)2674(Top 51%)
24M24.00 mi1.00 mi2060+411976+381976+381679(Top 6%)1587(Top 10%)1587(Top 30%)
40K24.85 mi0.85 mi2035+251951+251951+252090(Top 8%)1954(Top 13%)1954(Top 37%)
25.2M25.20 mi0.35 mi2043-81959-81959-83085(Top 12%)2808(Top 19%)2808(Top 53%)
Finish26.22 mi1.02 mi2037+61953+61953+62912(Top 11%)2637(Top 17%)2637(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1861

Males

1783

M18-39

1783

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2478

Males

2369

M18-39

2369

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1861

Males

1783

M18-39

1783

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2155

Males

2067

M18-39

2067

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2329

Males

2234

M18-39

2234

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2016

Males

1931

M18-39

1931

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2368

Males

2254

M18-39

2254

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2618

Males

2475

M18-39

2475

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3250

Males

3030

M18-39

3030

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1854

Males

1760

M18-39

1760

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2864

Males

2674

M18-39

2674

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1679

Males

1587

M18-39

1587

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2090

Males

1954

M18-39

1954

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3085

Males

2808

M18-39

2808

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2912

Males

2637

M18-39

2637

Passing Analysis

Category:
Athletes Passed
516
Passed By
871
Net Change
-355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1682
5K → 10K10350-340#1682#2022
10K → 15K10530+75#2022#1947
15K → 20K3872-34#1947#1981
20K → Half822-14#1981#1995
Half → 25K5337+16#1995#1979
25K → 30K47122-75#1979#2054
30K → 20M2949-20#2054#2074
20M → 21M1949-30#2074#2104
21M → 35K2611+15#2104#2089
35K → 23M3547-12#2089#2101
23M → 24M5615+41#2101#2060
24M → 40K3914+25#2060#2035
40K → 25.2M715-8#2035#2043
25.2M → Finish4438+6#2043#2037
TOTALS516871-355
📊

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