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BOSTON MARATHON 2023

Carl Jackson

Bib: 2192•M

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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:33
Rank: #2953
Start → 5K
20:33 | 6:37/mi
10K· 6.21 mi
40:29
Rank: #2606 (+347)
5K → 10K
19:56 | 6:25/mi
15K· 9.32 mi
1:00:25
Rank: #2446 (+160)
10K → 15K
19:56 | 6:25/mi
20K· 12.43 mi
1:20:40
Rank: #2394 (+52)
15K → 20K
20:15 | 6:31/mi
Half· 13.11 mi
1:25:04
Rank: #2401 (-7)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:40:32
Rank: #2262 (+139)
Half → 25K
15:28 | 6:23/mi
30K· 18.64 mi
2:00:29
Rank: #2036 (+226)
25K → 30K
19:57 | 6:25/mi
20M
2:09:10
Rank: #1926 (+110)
30K → 20M
8:41 | 6:23/mi
21M
2:15:56
Rank: #1876 (+50)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:20:41
Rank: #1864 (+12)
21M → 35K
4:45 | 6:21/mi
23M
2:28:47
Rank: #1797 (+67)
35K → 23M
8:06 | 6:28/mi
24M
2:35:10
Rank: #1768 (+29)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:40:51
Rank: #1755 (+13)
24M → 40K
5:41 | 6:39/mi
25.2M
2:43:11
Rank: #1741 (+14)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:49:33
Rank: #1705 (+36)
25.2M → Finish
6:22 | 6:15/mi

Course Map & Elevation

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:04
Pace6:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:29
Pace6:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1420:336:3720:33
6:37
-
10K
6.21 mi10:41:1040:296:3119:56
6:25
-0:12
15K
9.32 mi11:01:061:00:256:2919:56
6:25
0:00
20K
12.43 mi11:21:211:20:406:2920:15
6:31
+0:06
Half
13.11 mi11:25:451:25:046:294:24
6:27
-0:04
25K
15.53 mi11:41:131:40:326:2815:28
6:23
-0:04
30K
18.64 mi12:01:102:00:296:2819:57
6:25
+0:02
20M
20.00 mi12:09:512:09:106:278:41
6:23
-0:02
21M
21.00 mi12:16:372:15:566:286:46
6:46
+0:23
35K
21.75 mi12:21:222:20:416:284:45
6:21
-0:25
23M
23.00 mi12:29:282:28:476:288:06
6:28
+0:07
24M
24.00 mi12:35:512:35:106:286:23
6:23
-0:05
40K
24.85 mi12:41:322:40:516:285:41
6:39
+0:16
25.2M
25.20 mi12:43:522:43:116:292:20
6:46
+0:07
Finish
26.22 mi12:50:142:49:336:286:22
6:15
-0:31

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

6:15 /mi

Average Pace

6:28 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:14:13

79% of race

Time at Steady Pace

35:20

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:1420:336:3720:33
6:37
#2953
10K
6.21 mi10:41:1040:296:3119:56
6:25
#2606
15K
9.32 mi11:01:061:00:256:2919:56
6:25
#2446
20K
12.43 mi11:21:211:20:406:2920:15
6:31
#2394
Half
13.11 mi11:25:451:25:046:294:24
6:27
#2401
25K
15.53 mi11:41:131:40:326:2815:28
6:23
#2262
30K
18.64 mi12:01:102:00:296:2819:57
6:25
#2036
20M
20.00 mi12:09:512:09:106:278:41
6:23
#1926
21M
21.00 mi12:16:372:15:566:286:46
6:46
#1876
35K
21.75 mi12:21:222:20:416:284:45
6:21
#1864
23M
23.00 mi12:29:282:28:476:288:06
6:28
#1797
24M
24.00 mi12:35:512:35:106:286:23
6:23
#1768
40K
24.85 mi12:41:322:40:516:285:41
6:39
#1755
25.2M
25.20 mi12:43:522:43:116:292:20
6:46
#1741
Finish
26.22 mi12:50:142:49:336:286:22
6:15
#1705
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2953280328032177(Top 8%)2090(Top 14%)2090(Top 40%)
10K6.21 mi3.10 mi2606+3472486+3172486+3172314(Top 9%)2215(Top 15%)2215(Top 42%)
15K9.32 mi3.11 mi2446+1602338+1482338+1482177(Top 8%)2090(Top 14%)2090(Top 40%)
20K12.43 mi3.11 mi2394+522293+452293+452370(Top 9%)2270(Top 15%)2270(Top 43%)
Half13.11 mi0.68 mi2401-72300-72300-72431(Top 9%)2330(Top 15%)2330(Top 44%)
25K15.53 mi2.42 mi2262+1392168+1322168+1321642(Top 6%)1572(Top 10%)1572(Top 30%)
30K18.64 mi3.11 mi2036+2261953+2151953+2151285(Top 5%)1227(Top 8%)1227(Top 23%)
20M20.00 mi1.36 mi1926+1101844+1091844+1091121(Top 4%)1075(Top 7%)1075(Top 20%)
21M21.00 mi1.00 mi1876+501796+481796+481310(Top 5%)1251(Top 8%)1251(Top 24%)
35K21.75 mi0.75 mi1864+121783+131783+131745(Top 7%)1658(Top 11%)1658(Top 31%)
23M23.00 mi1.25 mi1797+671718+651718+651329(Top 5%)1260(Top 8%)1260(Top 24%)
24M24.00 mi1.00 mi1768+291692+261692+261621(Top 6%)1534(Top 10%)1534(Top 29%)
40K24.85 mi0.85 mi1755+131677+151677+152084(Top 8%)1948(Top 13%)1948(Top 37%)
25.2M25.20 mi0.35 mi1741+141664+131664+131082(Top 4%)1029(Top 7%)1029(Top 19%)
Finish26.22 mi1.02 mi1705+361629+351629+351429(Top 5%)1352(Top 9%)1352(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2177

Males

2090

M18-39

2090

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2314

Males

2215

M18-39

2215

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2177

Males

2090

M18-39

2090

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2370

Males

2270

M18-39

2270

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2431

Males

2330

M18-39

2330

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1642

Males

1572

M18-39

1572

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1285

Males

1227

M18-39

1227

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1121

Males

1075

M18-39

1075

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1310

Males

1251

M18-39

1251

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1745

Males

1658

M18-39

1658

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1329

Males

1260

M18-39

1260

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1621

Males

1534

M18-39

1534

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2084

Males

1948

M18-39

1948

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1082

Males

1029

M18-39

1029

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1429

Males

1352

M18-39

1352

Passing Analysis

Category:
Athletes Passed
1448
Passed By
200
Net Change
+1248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2953
5K → 10K38740+347#2953#2606
10K → 15K18525+160#2606#2446
15K → 20K8331+52#2446#2394
20K → Half916-7#2394#2401
Half → 25K1423+139#2401#2262
25K → 30K2315+226#2262#2036
30K → 20M1122+110#2036#1926
20M → 21M566+50#1926#1876
21M → 35K2513+12#1876#1864
35K → 23M747+67#1864#1797
23M → 24M4112+29#1797#1768
24M → 40K3017+13#1768#1755
40K → 25.2M206+14#1755#1741
25.2M → Finish5317+36#1741#1705
TOTALS1448200+1248
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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