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BOSTON MARATHON 2023

Chris Starker

Bib: 14711•M

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M50-54)
#0 / 2052
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:42
Rank: #10785
Start → 5K
23:42 | 7:38/mi
10K· 6.21 mi
46:40
Rank: #10121 (+664)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:23
Rank: #9563 (+558)
10K → 15K
22:43 | 7:19/mi
20K· 12.43 mi
1:32:25
Rank: #9291 (+272)
15K → 20K
23:02 | 7:25/mi
Half· 13.11 mi
1:37:24
Rank: #9247 (+44)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:56:16
Rank: #9510 (-263)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:21:01
Rank: #9697 (-187)
25K → 30K
24:45 | 7:58/mi
20M
2:32:11
Rank: #9808 (-111)
30K → 20M
11:10 | 8:13/mi
21M
2:40:44
Rank: #9840 (-32)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:46:19
Rank: #9768 (+72)
21M → 35K
5:35 | 7:28/mi
23M
2:56:25
Rank: #9778 (-10)
35K → 23M
10:06 | 8:04/mi
24M
3:04:11
Rank: #9722 (+56)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:11:03
Rank: #9728 (-6)
24M → 40K
6:52 | 8:02/mi
25.2M
3:14:08
Rank: #9756 (-28)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:21:51
Rank: #9677 (+79)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:24
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:44:27
Pace7:58 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5623:427:3823:42
7:38
-
10K
6.21 mi11:15:5446:407:3122:58
7:24
-0:14
15K
9.32 mi11:38:371:09:237:2722:43
7:19
-0:05
20K
12.43 mi12:01:391:32:257:2623:02
7:25
+0:06
Half
13.11 mi12:06:381:37:247:264:59
7:18
-0:07
25K
15.53 mi12:25:301:56:167:2918:52
7:47
+0:29
30K
18.64 mi12:50:152:21:017:3424:45
7:58
+0:11
20M
20.00 mi13:01:252:32:117:3711:10
8:13
+0:15
21M
21.00 mi13:09:582:40:447:398:33
8:33
+0:20
35K
21.75 mi13:15:332:46:197:395:35
7:28
-1:05
23M
23.00 mi13:25:392:56:257:4010:06
8:04
+0:36
24M
24.00 mi13:33:253:04:117:407:46
7:46
-0:18
40K
24.85 mi13:40:173:11:037:416:52
8:02
+0:16
25.2M
25.20 mi13:43:223:14:087:423:05
8:56
+0:54
Finish
26.22 mi13:51:053:21:517:427:43
7:34
-1:22

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

7:18 /mi

Average Pace

7:42 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:17

39% of race

Time at Steady Pace

1:22:48

41% of race

Time at Slower Pace

39:46

20% of race

Average Pace: 7:42 /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 mi10:52:5623:427:3823:42
7:38
#10785
10K
6.21 mi11:15:5446:407:3122:58
7:24
#10121
15K
9.32 mi11:38:371:09:237:2722:43
7:19
#9563
20K
12.43 mi12:01:391:32:257:2623:02
7:25
#9291
Half
13.11 mi12:06:381:37:247:264:59
7:18
#9247
25K
15.53 mi12:25:301:56:167:2918:52
7:47
#9510
30K
18.64 mi12:50:152:21:017:3424:45
7:58
#9697
20M
20.00 mi13:01:252:32:117:3711:10
8:13
#9808
21M
21.00 mi13:09:582:40:447:398:33
8:33
#9840
35K
21.75 mi13:15:332:46:197:395:35
7:28
#9768
23M
23.00 mi13:25:392:56:257:4010:06
8:04
#9778
24M
24.00 mi13:33:253:04:117:407:46
7:46
#9722
40K
24.85 mi13:40:173:11:037:416:52
8:02
#9728
25.2M
25.20 mi13:43:223:14:087:423:05
8:56
#9756
Finish
26.22 mi13:51:053:21:517:427:43
7:34
#9677
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10785855785578661(Top 33%)7349(Top 48%)7349(Top 358%)
10K6.21 mi3.10 mi10121+6648215+3428215+3429542(Top 36%)7892(Top 52%)7892(Top 385%)
15K9.32 mi3.11 mi9563+5587908+3077908+3078661(Top 33%)7349(Top 48%)7349(Top 358%)
20K12.43 mi3.11 mi9291+2727724+1847724+1848614(Top 32%)7268(Top 48%)7268(Top 354%)
Half13.11 mi0.68 mi9247+447696+287696+288629(Top 32%)7293(Top 48%)7293(Top 355%)
25K15.53 mi2.42 mi9510-2637847-1517847-15110928(Top 41%)8462(Top 56%)8462(Top 412%)
30K18.64 mi3.11 mi9697-1877924-777924-7710604(Top 40%)8139(Top 54%)8139(Top 397%)
20M20.00 mi1.36 mi9808-1117963-397963-3911782(Top 44%)8609(Top 57%)8609(Top 420%)
21M21.00 mi1.00 mi9840-327954+97954+910734(Top 40%)7975(Top 53%)7975(Top 389%)
35K21.75 mi0.75 mi9768+727902+527902+528267(Top 31%)6668(Top 44%)6668(Top 325%)
23M23.00 mi1.25 mi9778-107865+377865+3710217(Top 38%)7598(Top 50%)7598(Top 370%)
24M24.00 mi1.00 mi9722+567811+547811+549516(Top 36%)7164(Top 47%)7164(Top 349%)
40K24.85 mi0.85 mi9728-67788+237788+2310228(Top 38%)7449(Top 49%)7449(Top 363%)
25.2M25.20 mi0.35 mi9756-287787+17787+112094(Top 45%)8288(Top 55%)8288(Top 404%)
Finish26.22 mi1.02 mi9677+797708+797708+799078(Top 34%)6795(Top 45%)6795(Top 331%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8661

Males

7349

M50-54

7349

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9542

Males

7892

M50-54

7892

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8661

Males

7349

M50-54

7349

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8614

Males

7268

M50-54

7268

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8629

Males

7293

M50-54

7293

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10928

Males

8462

M50-54

8462

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10604

Males

8139

M50-54

8139

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11782

Males

8609

M50-54

8609

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10734

Males

7975

M50-54

7975

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8267

Males

6668

M50-54

6668

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10217

Males

7598

M50-54

7598

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9516

Males

7164

M50-54

7164

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10228

Males

7449

M50-54

7449

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12094

Males

8288

M50-54

8288

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9078

Males

6795

M50-54

6795

Passing Analysis

Category:
Athletes Passed
2438*
Passed By
1330
Net Change
+1108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10785
5K → 10K743*79+664#10785#10121
10K → 15K577*19+558#10121#9563
15K → 20K30634+272#9563#9291
20K → Half528+44#9291#9247
Half → 25K55318-263#9247#9510
25K → 30K114*301-187#9510#9697
30K → 20M56167-111#9697#9808
20M → 21M76108-32#9808#9840
21M → 35K819+72#9840#9768
35K → 23M91101-10#9768#9778
23M → 24M8731+56#9778#9722
24M → 40K60*66-6#9722#9728
40K → 25.2M2755-28#9728#9756
25.2M → Finish113*34+79#9756#9677
TOTALS2438*1330+1108

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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