Jonathan Pierce

Bib: 270M

OR

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 3%
Gender (Male)
#0 / 14578
Top 5%
Division (M18-39)
#0 / 4849
Top 12%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:57
Rank: #126
Start5K
16:57 | 5:27/mi
10K· 6.21 mi
33:54
Rank: #118 (+8)
5K10K
16:57 | 5:27/mi
15K· 9.32 mi
51:09
Rank: #121 (-3)
10K15K
17:15 | 5:33/mi
20K· 12.43 mi
1:08:25
Rank: #92 (+29)
15K20K
17:16 | 5:33/mi
Half· 13.11 mi
1:12:08
Rank: #91 (+1)
20KHalf
3:43 | 5:27/mi
25K· 15.53 mi
1:25:52
Rank: #93 (-2)
Half25K
13:44 | 5:40/mi
30K· 18.64 mi
1:44:53
Rank: #131 (-38)
25K30K
19:01 | 6:07/mi
20M
1:53:47
Rank: #151 (-20)
30K20M
8:54 | 6:33/mi
21M
2:00:45
Rank: #175 (-24)
20M21M
6:58 | 6:58/mi
35K· 21.75 mi
2:05:58
Rank: #199 (-24)
21M35K
5:13 | 6:58/mi
23M
2:15:42
Rank: #260 (-61)
35K23M
9:44 | 7:46/mi
24M
2:24:43
Rank: #389 (-129)
23M24M
9:01 | 9:01/mi
40K· 24.85 mi
2:32:43
Rank: #536 (-147)
24M40K
8:00 | 9:21/mi
25.2M
2:36:24
Rank: #626 (-90)
40K25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
2:43:51
Rank: #699 (-73)
25.2MFinish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:08
Pace5:30 /mi
2nd Half
Distance13.11 mi
Time1:31:43
Pace7:00 /mi
📊Positive Split: 27.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:5916:575:2716:57
5:27
-
10K
6.21 mi10:33:5633:545:2716:57
5:27
0:00
15K
9.32 mi10:51:1151:095:2917:15
5:33
+0:06
20K
12.43 mi11:08:271:08:255:3017:16
5:33
0:00
Half
13.11 mi11:12:101:12:085:303:43
5:27
-0:06
25K
15.53 mi11:25:541:25:525:3213:44
5:40
+0:13
30K
18.64 mi11:44:551:44:535:3819:01
6:07
+0:27
20M
20.00 mi11:53:491:53:475:418:54
6:33
+0:26
21M
21.00 mi12:00:472:00:455:456:58
6:58
+0:25
35K
21.75 mi12:06:002:05:585:485:13
6:58
0:00
23M
23.00 mi12:15:442:15:425:549:44
7:46
+0:48
24M
24.00 mi12:24:452:24:436:029:01
9:01
+1:15
40K
24.85 mi12:32:452:32:436:098:00
9:21
+0:20
25.2M
25.20 mi12:36:262:36:246:123:41
10:41
+1:20
Finish
26.22 mi12:43:532:43:516:157:27
7:19
-3:22

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

5:27 /mi

Average Pace

6:15 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:52

52% of race

Time at Steady Pace

47:33

29% of race

Time at Slower Pace

30:26

19% of race

Average Pace: 6:15 /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 mi10:16:5916:575:2716:57
5:27
#126
10K
6.21 mi10:33:5633:545:2716:57
5:27
#118
15K
9.32 mi10:51:1151:095:2917:15
5:33
#121
20K
12.43 mi11:08:271:08:255:3017:16
5:33
#92
Half
13.11 mi11:12:101:12:085:303:43
5:27
#91
25K
15.53 mi11:25:541:25:525:3213:44
5:40
#93
30K
18.64 mi11:44:551:44:535:3819:01
6:07
#131
20M
20.00 mi11:53:491:53:475:418:54
6:33
#151
21M
21.00 mi12:00:472:00:455:456:58
6:58
#175
35K
21.75 mi12:06:002:05:585:485:13
6:58
#199
23M
23.00 mi12:15:442:15:425:549:44
7:46
#260
24M
24.00 mi12:24:452:24:436:029:01
9:01
#389
40K
24.85 mi12:32:452:32:436:098:00
9:21
#536
25.2M
25.20 mi12:36:262:36:246:123:41
10:41
#626
Finish
26.22 mi12:43:532:43:516:157:27
7:19
#699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi126109109111(Top 0.4%)111(Top 0.8%)111(Top 2%)
10K6.21 mi3.10 mi118+8101+8101+8108(Top 0.4%)91(Top 0.6%)91(Top 2%)
15K9.32 mi3.11 mi121-3104-3104-3111(Top 0.4%)111(Top 0.8%)111(Top 2%)
20K12.43 mi3.11 mi92+2992+1292+1291(Top 0.4%)89(Top 0.6%)89(Top 2%)
Half13.11 mi0.68 mi91+191+191+182(Top 0.3%)82(Top 0.6%)82(Top 2%)
25K15.53 mi2.42 mi93-293-293-2139(Top 0.5%)121(Top 0.8%)121(Top 2%)
30K18.64 mi3.11 mi131-38113-20113-20368(Top 1%)341(Top 2%)341(Top 7%)
20M20.00 mi1.36 mi151-20132-19132-19935(Top 4%)887(Top 6%)887(Top 18%)
21M21.00 mi1.00 mi175-24154-22154-22987(Top 4%)934(Top 6%)934(Top 19%)
35K21.75 mi0.75 mi199-24178-24178-242924(Top 11%)2633(Top 18%)2633(Top 54%)
23M23.00 mi1.25 mi260-61238-60238-604657(Top 18%)3774(Top 26%)3774(Top 78%)
24M24.00 mi1.00 mi389-129365-127365-12712216(Top 48%)7649(Top 52%)7649(Top 158%)
40K24.85 mi0.85 mi536-147507-142507-14212481(Top 49%)7666(Top 53%)7666(Top 158%)
25.2M25.20 mi0.35 mi626-90597-90597-9013349(Top 52%)8051(Top 55%)8051(Top 166%)
Finish26.22 mi1.02 mi699-73667-70667-704538(Top 18%)3523(Top 24%)3523(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.4%
×21stories
+97ft-345ft

Overall

111

Males

111

M18-39

111

5K→10K

3.1 - 6.2 mi

Top 0.4%
×5stories
+79ft-138ft

Overall

108

Males

91

M18-39

91

10K→15K

6.2 - 9.3 mi

Top 0.4%
×3stories
+67ft-78ft

Overall

111

Males

111

M18-39

111

15K→20K

9.3 - 12.4 mi

Top 0.4%
×5stories
+106ft-86ft

Overall

91

Males

89

M18-39

89

20K→Half

12.4 - 13.1 mi

Top 0.3%
×2stories
+19ft-37ft

Overall

82

Males

82

M18-39

82

Half→25K

13.1 - 15.5 mi

Top 0.5%
×4stories
+66ft-88ft

Overall

139

Males

121

M18-39

121

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

368

Males

341

M18-39

341

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

935

Males

887

M18-39

887

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

987

Males

934

M18-39

934

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2924

Males

2633

M18-39

2633

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4657

Males

3774

M18-39

3774

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12216

Males

7649

M18-39

7649

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12481

Males

7666

M18-39

7666

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13349

Males

8051

M18-39

8051

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4538

Males

3523

M18-39

3523

Passing Analysis

Category:
Athletes Passed
64
Passed By
637
Net Change
-573
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#126
5K10K146+8#126#118
10K15K69-3#118#121
15K20K301+29#121#92
20KHalf10+1#92#91
Half25K57-2#91#93
25K30K240-38#93#131
30K20M020-20#131#151
20M21M125-24#151#175
21M35K226-24#175#199
35K23M061-61#199#260
23M24M0129-129#260#389
24M40K1148-147#389#536
40K25.2M090-90#536#626
25.2MFinish275-73#626#699
TOTALS64637-573
📊

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