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BOSTON MARATHON 2023

Chris Anderson

Bib: 5171•M

RI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Division (M18-39)
#0 / 5285
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #4873
Start → 5K
21:12 | 6:49/mi
10K· 6.21 mi
42:05
Rank: #4716 (+157)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:02:43
Rank: #4297 (+419)
10K → 15K
20:38 | 6:38/mi
20K· 12.43 mi
1:23:36
Rank: #4136 (+161)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:28:06
Rank: #4085 (+51)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:44:56
Rank: #4268 (-183)
Half → 25K
16:50 | 6:57/mi
30K· 18.64 mi
2:06:17
Rank: #4069 (+199)
25K → 30K
21:21 | 6:52/mi
20M
2:15:30
Rank: #3914 (+155)
30K → 20M
9:13 | 6:47/mi
21M
2:22:32
Rank: #3749 (+165)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:27:27
Rank: #3694 (+55)
21M → 35K
4:55 | 6:34/mi
23M
2:35:57
Rank: #3567 (+127)
35K → 23M
8:30 | 6:47/mi
24M
2:42:33
Rank: #3499 (+68)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:48:16
Rank: #3421 (+78)
24M → 40K
5:43 | 6:41/mi
25.2M
2:50:40
Rank: #3354 (+67)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:57:04
Rank: #3209 (+145)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:06
Pace6:43 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:58
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1621:126:4921:12
6:49
-
10K
6.21 mi10:45:0942:056:4620:53
6:43
-0:06
15K
9.32 mi11:05:471:02:436:4420:38
6:38
-0:05
20K
12.43 mi11:26:401:23:366:4420:53
6:43
+0:05
Half
13.11 mi11:31:101:28:066:434:30
6:36
-0:07
25K
15.53 mi11:48:001:44:566:4516:50
6:57
+0:21
30K
18.64 mi12:09:212:06:176:4621:21
6:52
-0:05
20M
20.00 mi12:18:342:15:306:469:13
6:47
-0:05
21M
21.00 mi12:25:362:22:326:477:02
7:02
+0:15
35K
21.75 mi12:30:312:27:276:474:55
6:34
-0:28
23M
23.00 mi12:39:012:35:576:478:30
6:47
+0:13
24M
24.00 mi12:45:372:42:336:466:36
6:36
-0:11
40K
24.85 mi12:51:202:48:166:465:43
6:41
+0:05
25.2M
25.20 mi12:53:442:50:406:462:24
6:58
+0:17
Finish
26.22 mi13:00:082:57:046:456:24
6:17
-0:41

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

6:17 /mi

Average Pace

6:45 /mi

Slowest Pace

7:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:48

85% of race

Time at Steady Pace

26:16

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:24:1621:126:4921:12
6:49
#4873
10K
6.21 mi10:45:0942:056:4620:53
6:43
#4716
15K
9.32 mi11:05:471:02:436:4420:38
6:38
#4297
20K
12.43 mi11:26:401:23:366:4420:53
6:43
#4136
Half
13.11 mi11:31:101:28:066:434:30
6:36
#4085
25K
15.53 mi11:48:001:44:566:4516:50
6:57
#4268
30K
18.64 mi12:09:212:06:176:4621:21
6:52
#4069
20M
20.00 mi12:18:342:15:306:469:13
6:47
#3914
21M
21.00 mi12:25:362:22:326:477:02
7:02
#3749
35K
21.75 mi12:30:312:27:276:474:55
6:34
#3694
23M
23.00 mi12:39:012:35:576:478:30
6:47
#3567
24M
24.00 mi12:45:372:42:336:466:36
6:36
#3499
40K
24.85 mi12:51:202:48:166:465:43
6:41
#3421
25.2M
25.20 mi12:53:442:50:406:462:24
6:58
#3354
Finish
26.22 mi13:00:082:57:046:456:24
6:17
#3209
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4873452845283620(Top 14%)3415(Top 23%)3415(Top 65%)
10K6.21 mi3.10 mi4716+1574397+1314397+1314544(Top 17%)4241(Top 28%)4241(Top 80%)
15K9.32 mi3.11 mi4297+4194024+3734024+3733620(Top 14%)3415(Top 23%)3415(Top 65%)
20K12.43 mi3.11 mi4136+1613881+1433881+1433732(Top 14%)3526(Top 23%)3526(Top 67%)
Half13.11 mi0.68 mi4085+513832+493832+493385(Top 13%)3216(Top 21%)3216(Top 61%)
25K15.53 mi2.42 mi4268-1834000-1684000-1685215(Top 20%)4807(Top 32%)4807(Top 91%)
30K18.64 mi3.11 mi4069+1993825+1753825+1753466(Top 13%)3257(Top 21%)3257(Top 62%)
20M20.00 mi1.36 mi3914+1553686+1393686+1392717(Top 10%)2571(Top 17%)2571(Top 49%)
21M21.00 mi1.00 mi3749+1653534+1523534+1522314(Top 9%)2187(Top 14%)2187(Top 41%)
35K21.75 mi0.75 mi3694+553486+483486+482847(Top 11%)2674(Top 18%)2674(Top 51%)
23M23.00 mi1.25 mi3567+1273369+1173369+1172601(Top 10%)2442(Top 16%)2442(Top 46%)
24M24.00 mi1.00 mi3499+683306+633306+632568(Top 10%)2396(Top 16%)2396(Top 45%)
40K24.85 mi0.85 mi3421+783232+743232+742294(Top 9%)2132(Top 14%)2132(Top 40%)
25.2M25.20 mi0.35 mi3354+673169+633169+631660(Top 6%)1566(Top 10%)1566(Top 30%)
Finish26.22 mi1.02 mi3209+1453035+1343035+1341561(Top 6%)1476(Top 10%)1476(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3620

Males

3415

M18-39

3415

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4544

Males

4241

M18-39

4241

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3620

Males

3415

M18-39

3415

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3732

Males

3526

M18-39

3526

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3385

Males

3216

M18-39

3216

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5215

Males

4807

M18-39

4807

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3466

Males

3257

M18-39

3257

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2717

Males

2571

M18-39

2571

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2314

Males

2187

M18-39

2187

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2847

Males

2674

M18-39

2674

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2601

Males

2442

M18-39

2442

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2568

Males

2396

M18-39

2396

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2294

Males

2132

M18-39

2132

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1660

Males

1566

M18-39

1566

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1561

Males

1476

M18-39

1476

Passing Analysis

Category:
Athletes Passed
2136
Passed By
472
Net Change
+1664
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4873
5K → 10K290133+157#4873#4716
10K → 15K43011+419#4716#4297
15K → 20K18524+161#4297#4136
20K → Half587+51#4136#4085
Half → 25K33216-183#4085#4268
25K → 30K22829+199#4268#4069
30K → 20M1605+155#4069#3914
20M → 21M1694+165#3914#3749
21M → 35K616+55#3749#3694
35K → 23M13912+127#3694#3567
23M → 24M779+68#3567#3499
24M → 40K868+78#3499#3421
40K → 25.2M681+67#3421#3354
25.2M → Finish1527+145#3354#3209
TOTALS2136472+1664
📊

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