James Caldwell

Bib: 25264M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:49
Rank: #26225
Start5K
35:49 | 11:32/mi
10K· 6.21 mi
1:12:33
Rank: #26216 (+9)
5K10K
36:44 | 11:49/mi
15K· 9.32 mi
1:48:31
Rank: #26078 (+138)
10K15K
35:58 | 11:35/mi
20K· 12.43 mi
2:25:46
Rank: #25979 (+99)
15K20K
37:15 | 11:59/mi
Half· 13.11 mi
2:34:03
Rank: #25973 (+6)
20KHalf
8:17 | 12:08/mi
25K· 15.53 mi
3:03:39
Rank: #25871 (+102)
Half25K
29:36 | 12:12/mi
30K· 18.64 mi
3:43:34
Rank: #25782 (+89)
25K30K
39:55 | 12:51/mi
20M
4:00:53
Rank: #25724 (+58)
30K20M
17:19 | 12:45/mi
21M
4:14:03
Rank: #25673 (+51)
20M21M
13:10 | 13:10/mi
35K· 21.75 mi
4:23:15
Rank: #25654 (+19)
21M35K
9:12 | 12:18/mi
23M
4:37:55
Rank: #25580 (+74)
35K23M
14:40 | 11:43/mi
24M
4:49:17
Rank: #25526 (+54)
23M24M
11:22 | 11:22/mi
40K· 24.85 mi
4:59:06
Rank: #25463 (+63)
24M40K
9:49 | 11:29/mi
25.2M
5:03:08
Rank: #25434 (+29)
40K25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
5:13:16
Rank: #25362 (+72)
25.2MFinish
10:08 | 9:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:03
Pace11:45 /mi
2nd Half
Distance13.11 mi
Time2:39:13
Pace12:09 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0435:4911:3235:49
11:32
-
10K
6.21 mi12:34:481:12:3311:4136:44
11:49
+0:17
15K
9.32 mi13:10:461:48:3111:3935:58
11:35
-0:14
20K
12.43 mi13:48:012:25:4611:4437:15
11:59
+0:24
Half
13.11 mi13:56:182:34:0311:458:17
12:08
+0:09
25K
15.53 mi14:25:543:03:3911:4929:36
12:12
+0:04
30K
18.64 mi15:05:493:43:3412:0039:55
12:51
+0:39
20M
20.00 mi15:23:084:00:5312:0317:19
12:45
-0:06
21M
21.00 mi15:36:184:14:0312:0613:10
13:10
+0:25
35K
21.75 mi15:45:304:23:1512:069:12
12:18
-0:52
23M
23.00 mi16:00:104:37:5512:0514:40
11:43
-0:35
24M
24.00 mi16:11:324:49:1712:0311:22
11:22
-0:21
40K
24.85 mi16:21:214:59:0612:029:49
11:29
+0:07
25.2M
25.20 mi16:25:235:03:0812:024:02
11:42
+0:13
Finish
26.22 mi16:35:315:13:1611:5710:08
9:57
-1:45

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

9:57 /mi

Average Pace

11:57 /mi

Slowest Pace

13:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:30

7% of race

Time at Steady Pace

3:02:34

58% of race

Time at Slower Pace

1:49:12

35% of race

Average Pace: 11:57 /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 mi11:58:0435:4911:3235:49
11:32
#26225
10K
6.21 mi12:34:481:12:3311:4136:44
11:49
#26216
15K
9.32 mi13:10:461:48:3111:3935:58
11:35
#26078
20K
12.43 mi13:48:012:25:4611:4437:15
11:59
#25979
Half
13.11 mi13:56:182:34:0311:458:17
12:08
#25973
25K
15.53 mi14:25:543:03:3911:4929:36
12:12
#25871
30K
18.64 mi15:05:493:43:3412:0039:55
12:51
#25782
20M
20.00 mi15:23:084:00:5312:0317:19
12:45
#25724
21M
21.00 mi15:36:184:14:0312:0613:10
13:10
#25673
35K
21.75 mi15:45:304:23:1512:069:12
12:18
#25654
23M
23.00 mi16:00:104:37:5512:0514:40
11:43
#25580
24M
24.00 mi16:11:324:49:1712:0311:22
11:22
#25526
40K
24.85 mi16:21:214:59:0612:029:49
11:29
#25463
25.2M
25.20 mi16:25:235:03:0812:024:02
11:42
#25434
Finish
26.22 mi16:35:315:13:1611:5710:08
9:57
#25362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi26225150201502025778(Top 97%)14849(Top 98%)14849(Top 659%)
10K6.21 mi3.10 mi26216+915017+315017+326164(Top 98%)14994(Top 99%)14994(Top 666%)
15K9.32 mi3.11 mi26078+13814969+4814969+4825778(Top 97%)14849(Top 98%)14849(Top 659%)
20K12.43 mi3.11 mi25979+9914931+3814931+3825649(Top 96%)14773(Top 97%)14773(Top 656%)
Half13.11 mi0.68 mi25973+6149311493125962(Top 98%)14899(Top 98%)14899(Top 662%)
25K15.53 mi2.42 mi25871+10214879+5214879+5225321(Top 95%)14603(Top 96%)14603(Top 648%)
30K18.64 mi3.11 mi25782+8914832+4714832+4725291(Top 95%)14538(Top 96%)14538(Top 646%)
20M20.00 mi1.36 mi25724+5814801+3114801+3124952(Top 94%)14355(Top 95%)14355(Top 637%)
21M21.00 mi1.00 mi25673+5114777+2414777+2424270(Top 91%)14012(Top 92%)14012(Top 622%)
35K21.75 mi0.75 mi25654+1914762+1514762+1524971(Top 94%)14310(Top 94%)14310(Top 635%)
23M23.00 mi1.25 mi25580+7414722+4014722+4023595(Top 89%)13672(Top 90%)13672(Top 607%)
24M24.00 mi1.00 mi25526+5414696+2614696+2623684(Top 89%)13674(Top 90%)13674(Top 607%)
40K24.85 mi0.85 mi25463+6314659+3714659+3723179(Top 87%)13406(Top 88%)13406(Top 595%)
25.2M25.20 mi0.35 mi25434+2914649+1014649+1021958(Top 82%)12835(Top 85%)12835(Top 570%)
Finish26.22 mi1.02 mi25362+7214613+3614613+3621610(Top 81%)12679(Top 84%)12679(Top 563%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

25778

Males

14849

M45-49

14849

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

26164

Males

14994

M45-49

14994

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

25778

Males

14849

M45-49

14849

15K→20K

9.3 - 12.4 mi

Top 96%
×5stories
+106ft-86ft

Overall

25649

Males

14773

M45-49

14773

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

25962

Males

14899

M45-49

14899

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

25321

Males

14603

M45-49

14603

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25291

Males

14538

M45-49

14538

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

24952

Males

14355

M45-49

14355

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24270

Males

14012

M45-49

14012

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

24971

Males

14310

M45-49

14310

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23595

Males

13672

M45-49

13672

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23684

Males

13674

M45-49

13674

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23179

Males

13406

M45-49

13406

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21958

Males

12835

M45-49

12835

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21610

Males

12679

M45-49

12679

Passing Analysis

Category:
Athletes Passed
998
Passed By
135
Net Change
+863
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26225
5K10K7162+9#26225#26216
10K15K1446+138#26216#26078
15K20K11617+99#26078#25979
20KHalf1913+6#25979#25973
Half25K1097+102#25973#25871
25K30K10314+89#25871#25782
30K20M635+58#25782#25724
20M21M543+51#25724#25673
21M35K245+19#25673#25654
35K23M751+74#25654#25580
23M24M551+54#25580#25526
24M40K630+63#25526#25463
40K25.2M290+29#25463#25434
25.2MFinish731+72#25434#25362
TOTALS998135+863
📊

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