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BOSTON MARATHON 2023

James Giddins

Bib: 4844•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:40
Rank: #1535
Start → 5K
19:40 | 6:20/mi
10K· 6.21 mi
39:03
Rank: #1505 (+30)
5K → 10K
19:23 | 6:14/mi
15K· 9.32 mi
58:25
Rank: #1443 (+62)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:17:58
Rank: #1399 (+44)
15K → 20K
19:33 | 6:18/mi
Half· 13.11 mi
1:22:09
Rank: #1376 (+23)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:37:28
Rank: #1363 (+13)
Half → 25K
15:19 | 6:19/mi
30K· 18.64 mi
1:57:15
Rank: #1303 (+60)
25K → 30K
19:47 | 6:22/mi
20M
2:05:47
Rank: #1244 (+59)
30K → 20M
8:32 | 6:17/mi
21M
2:12:27
Rank: #1214 (+30)
20M → 21M
6:40 | 6:40/mi
35K· 21.75 mi
2:17:00
Rank: #1186 (+28)
21M → 35K
4:33 | 6:05/mi
23M
2:25:03
Rank: #1166 (+20)
35K → 23M
8:03 | 6:26/mi
24M
2:31:15
Rank: #1150 (+16)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:36:37
Rank: #1133 (+17)
24M → 40K
5:22 | 6:17/mi
25.2M
2:38:51
Rank: #1106 (+27)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:44:48
Rank: #1061 (+45)
25.2M → Finish
5:57 | 5:50/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:09
Pace6:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:39
Pace6:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0519:406:2019:40
6:20
-
10K
6.21 mi10:40:2839:036:1719:23
6:14
-0:06
15K
9.32 mi10:59:5058:256:1619:22
6:14
0:00
20K
12.43 mi11:19:231:17:586:1619:33
6:18
+0:04
Half
13.11 mi11:23:341:22:096:164:11
6:08
-0:10
25K
15.53 mi11:38:531:37:286:1615:19
6:19
+0:11
30K
18.64 mi11:58:401:57:156:1719:47
6:22
+0:03
20M
20.00 mi12:07:122:05:476:178:32
6:17
-0:05
21M
21.00 mi12:13:522:12:276:186:40
6:40
+0:23
35K
21.75 mi12:18:252:17:006:184:33
6:05
-0:35
23M
23.00 mi12:26:282:25:036:188:03
6:26
+0:21
24M
24.00 mi12:32:402:31:156:186:12
6:12
-0:14
40K
24.85 mi12:38:022:36:376:185:22
6:17
+0:05
25.2M
25.20 mi12:40:162:38:516:182:14
6:29
+0:12
Finish
26.22 mi12:46:132:44:486:175:57
5:50
-0:39

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

5:50 /mi

Average Pace

6:17 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:51

90% of race

Time at Steady Pace

16:57

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:21:0519:406:2019:40
6:20
#1535
10K
6.21 mi10:40:2839:036:1719:23
6:14
#1505
15K
9.32 mi10:59:5058:256:1619:22
6:14
#1443
20K
12.43 mi11:19:231:17:586:1619:33
6:18
#1399
Half
13.11 mi11:23:341:22:096:164:11
6:08
#1376
25K
15.53 mi11:38:531:37:286:1615:19
6:19
#1363
30K
18.64 mi11:58:401:57:156:1719:47
6:22
#1303
20M
20.00 mi12:07:122:05:476:178:32
6:17
#1244
21M
21.00 mi12:13:522:12:276:186:40
6:40
#1214
35K
21.75 mi12:18:252:17:006:184:33
6:05
#1186
23M
23.00 mi12:26:282:25:036:188:03
6:26
#1166
24M
24.00 mi12:32:402:31:156:186:12
6:12
#1150
40K
24.85 mi12:38:022:36:376:185:22
6:17
#1133
25.2M
25.20 mi12:40:162:38:516:182:14
6:29
#1106
Finish
26.22 mi12:46:132:44:486:175:57
5:50
#1061
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1535146214621356(Top 5%)1290(Top 9%)1290(Top 24%)
10K6.21 mi3.10 mi1505+301435+271435+271495(Top 6%)1428(Top 9%)1428(Top 27%)
15K9.32 mi3.11 mi1443+621378+571378+571356(Top 5%)1290(Top 9%)1290(Top 24%)
20K12.43 mi3.11 mi1399+441333+451333+451342(Top 5%)1282(Top 8%)1282(Top 24%)
Half13.11 mi0.68 mi1376+231311+221311+221111(Top 4%)1060(Top 7%)1060(Top 20%)
25K15.53 mi2.42 mi1363+131300+111300+111393(Top 5%)1330(Top 9%)1330(Top 25%)
30K18.64 mi3.11 mi1303+601245+551245+551118(Top 4%)1065(Top 7%)1065(Top 20%)
20M20.00 mi1.36 mi1244+591188+571188+57834(Top 3%)794(Top 5%)794(Top 15%)
21M21.00 mi1.00 mi1214+301160+281160+281006(Top 4%)958(Top 6%)958(Top 18%)
35K21.75 mi0.75 mi1186+281132+281132+28880(Top 3%)837(Top 6%)837(Top 16%)
23M23.00 mi1.25 mi1166+201113+191113+191186(Top 4%)1120(Top 7%)1120(Top 21%)
24M24.00 mi1.00 mi1150+161096+171096+171023(Top 4%)969(Top 6%)969(Top 18%)
40K24.85 mi0.85 mi1133+171080+161080+16830(Top 3%)786(Top 5%)786(Top 15%)
25.2M25.20 mi0.35 mi1106+271054+261054+26475(Top 2%)449(Top 3%)449(Top 8%)
Finish26.22 mi1.02 mi1061+451010+441010+44437(Top 2%)416(Top 3%)416(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1356

Males

1290

M18-39

1290

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1495

Males

1428

M18-39

1428

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1356

Males

1290

M18-39

1290

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1342

Males

1282

M18-39

1282

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1111

Males

1060

M18-39

1060

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1393

Males

1330

M18-39

1330

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1118

Males

1065

M18-39

1065

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

834

Males

794

M18-39

794

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1006

Males

958

M18-39

958

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

880

Males

837

M18-39

837

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1186

Males

1120

M18-39

1120

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1023

Males

969

M18-39

969

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

830

Males

786

M18-39

786

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

475

Males

449

M18-39

449

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

437

Males

416

M18-39

416

Passing Analysis

Category:
Athletes Passed
657
Passed By
183
Net Change
+474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1535
5K → 10K9060+30#1535#1505
10K → 15K8523+62#1505#1443
15K → 20K6521+44#1443#1399
20K → Half241+23#1399#1376
Half → 25K3623+13#1376#1363
25K → 30K7616+60#1363#1303
30K → 20M623+59#1303#1244
20M → 21M377+30#1244#1214
21M → 35K313+28#1214#1186
35K → 23M3212+20#1186#1166
23M → 24M259+16#1166#1150
24M → 40K225+17#1150#1133
40K → 25.2M270+27#1133#1106
25.2M → Finish450+45#1106#1061
TOTALS657183+474
📊

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