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BOSTON MARATHON 2023

James Parker

Bib: 5483•M

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:51
Rank: #1771
Start → 5K
6:23/mi
19:51 split
10K· 6.21 mi
39:20
Rank: #1689 (+82)
5K → 10K
6:16/mi
19:29 split
15K· 9.32 mi
59:05
Rank: #1740 (-51)
10K → 15K
6:21/mi
19:45 split
20K· 12.43 mi
1:18:50
Rank: #1704 (+36)
15K → 20K
6:21/mi
19:45 split
Half· 13.11 mi
1:23:05
Rank: #1689 (+15)
20K → Half
6:14/mi
4:15 split
25K· 15.53 mi
1:38:25
Rank: #1629 (+60)
Half → 25K
6:19/mi
15:20 split
30K· 18.64 mi
1:58:18
Rank: #1525 (+104)
25K → 30K
6:24/mi
19:53 split
20M
2:06:59
Rank: #1484 (+41)
30K → 20M
6:23/mi
8:41 split
21M
2:13:41
Rank: #1438 (+46)
20M → 21M
6:42/mi
6:42 split
35K· 21.75 mi
2:18:15
Rank: #1407 (+31)
21M → 35K
6:06/mi
4:34 split
23M
2:26:17
Rank: #1374 (+33)
35K → 23M
6:25/mi
8:02 split
24M
2:32:22
Rank: #1309 (+65)
23M → 24M
6:05/mi
6:05 split
40K· 24.85 mi
2:37:48
Rank: #1288 (+21)
24M → 40K
6:21/mi
5:26 split
25.2M
2:40:07
Rank: #1270 (+18)
40K → 25.2M
6:43/mi
2:19 split
Finish· 26.22 mi
2:46:07
Rank: #1219 (+51)
25.2M → Finish
5:53/mi
6:00 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:05
Pace6:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:02
Pace6:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5019:516:2319:51
6:23
-
10K
6.21 mi10:41:1939:206:2019:29
6:16
-0:07
15K
9.32 mi11:01:0459:056:2019:45
6:21
+0:05
20K
12.43 mi11:20:491:18:506:2119:45
6:21
0:00
Half
13.11 mi11:25:041:23:056:204:15
6:14
-0:07
25K
15.53 mi11:40:241:38:256:2015:20
6:19
+0:05
30K
18.64 mi12:00:171:58:186:2119:53
6:24
+0:05
20M
20.00 mi12:08:582:06:596:218:41
6:23
-0:01
21M
21.00 mi12:15:402:13:416:226:42
6:42
+0:19
35K
21.75 mi12:20:142:18:156:214:34
6:06
-0:36
23M
23.00 mi12:28:162:26:176:228:02
6:25
+0:19
24M
24.00 mi12:34:212:32:226:216:05
6:05
-0:20
40K
24.85 mi12:39:472:37:486:215:26
6:21
+0:16
25.2M
25.20 mi12:42:062:40:076:212:19
6:43
+0:22
Finish
26.22 mi12:48:062:46:076:206:00
5:53
-0:50

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

5:53 /mi

Average Pace

6:20 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:06

95% of race

Time at Steady Pace

9:01

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:21:5019:516:2319:51
6:23
#1771
10K
6.21 mi10:41:1939:206:2019:29
6:16
#1689
15K
9.32 mi11:01:0459:056:2019:45
6:21
#1740
20K
12.43 mi11:20:491:18:506:2119:45
6:21
#1704
Half
13.11 mi11:25:041:23:056:204:15
6:14
#1689
25K
15.53 mi11:40:241:38:256:2015:20
6:19
#1629
30K
18.64 mi12:00:171:58:186:2119:53
6:24
#1525
20M
20.00 mi12:08:582:06:596:218:41
6:23
#1484
21M
21.00 mi12:15:402:13:416:226:42
6:42
#1438
35K
21.75 mi12:20:142:18:156:214:34
6:06
#1407
23M
23.00 mi12:28:162:26:176:228:02
6:25
#1374
24M
24.00 mi12:34:212:32:226:216:05
6:05
#1309
40K
24.85 mi12:39:472:37:486:215:26
6:21
#1288
25.2M
25.20 mi12:42:062:40:076:212:19
6:43
#1270
Finish
26.22 mi12:48:062:46:076:206:00
5:53
#1219
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1771168816881889(Top 7%)1809(Top 12%)1809(Top 34%)
10K6.21 mi3.10 mi1689+821613+751613+751629(Top 6%)1555(Top 10%)1555(Top 29%)
15K9.32 mi3.11 mi1740-511663-501663-501889(Top 7%)1809(Top 12%)1809(Top 34%)
20K12.43 mi3.11 mi1704+361630+331630+331616(Top 6%)1545(Top 10%)1545(Top 29%)
Half13.11 mi0.68 mi1689+151617+131617+131471(Top 6%)1407(Top 9%)1407(Top 27%)
25K15.53 mi2.42 mi1629+601559+581559+581418(Top 5%)1355(Top 9%)1355(Top 26%)
30K18.64 mi3.11 mi1525+1041457+1021457+1021205(Top 5%)1149(Top 8%)1149(Top 22%)
20M20.00 mi1.36 mi1484+411417+401417+401106(Top 4%)1060(Top 7%)1060(Top 20%)
21M21.00 mi1.00 mi1438+461374+431374+431092(Top 4%)1038(Top 7%)1038(Top 20%)
35K21.75 mi0.75 mi1407+311343+311343+31949(Top 4%)901(Top 6%)901(Top 17%)
23M23.00 mi1.25 mi1374+331310+331310+331147(Top 4%)1083(Top 7%)1083(Top 20%)
24M24.00 mi1.00 mi1309+651248+621248+62737(Top 3%)699(Top 5%)699(Top 13%)
40K24.85 mi0.85 mi1288+211227+211227+211054(Top 4%)997(Top 7%)997(Top 19%)
25.2M25.20 mi0.35 mi1270+181210+171210+17939(Top 4%)895(Top 6%)895(Top 17%)
Finish26.22 mi1.02 mi1219+511162+481162+48508(Top 2%)485(Top 3%)485(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1889

Males

1809

M18-39

1809

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1629

Males

1555

M18-39

1555

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1889

Males

1809

M18-39

1809

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1616

Males

1545

M18-39

1545

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1471

Males

1407

M18-39

1407

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1418

Males

1355

M18-39

1355

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1205

Males

1149

M18-39

1149

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1106

Males

1060

M18-39

1060

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1092

Males

1038

M18-39

1038

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

949

Males

901

M18-39

901

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1147

Males

1083

M18-39

1083

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

737

Males

699

M18-39

699

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1054

Males

997

M18-39

997

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

939

Males

895

M18-39

895

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

508

Males

485

M18-39

485

Passing Analysis

Category:
Athletes Passed
789
Passed By
237
Net Change
+552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1771
5K → 10K13553+82#1771#1689
10K → 15K4091-51#1689#1740
15K → 20K6226+36#1740#1704
20K → Half183+15#1704#1689
Half → 25K7111+60#1689#1629
25K → 30K11511+104#1629#1525
30K → 20M5110+41#1525#1484
20M → 21M504+46#1484#1438
21M → 35K332+31#1438#1407
35K → 23M4411+33#1407#1374
23M → 24M694+65#1374#1309
24M → 40K287+21#1309#1288
40K → 25.2M213+18#1288#1270
25.2M → Finish521+51#1270#1219
TOTALS789237+552
📊

Passing Visuals

Category:
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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