Sean O’Brien

Quincy, MA

Bib: 7450 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 3%
Gender (Male)
#0 / 17709
Top 4%
Division (M20-24)
#0 / 1424
Top 8%
Race Day Weather
42°/32°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
7:33/mi
23:26
2791640.7%
140 ft elev
10K· 6.21 mi
6:52/mi
44:45
1032170.7%
25 ft elev
15K· 9.32 mi
6:57/mi
1:06:22
5155
21 ft elev
21K· 13.05 mi
7:10/mi
1:33:04
2037
4 ft elev
25K· 15.53 mi
7:00/mi
1:50:28
350.2%
30 ft elev
30K· 18.64 mi
7:19/mi
2:13:11
5857
30 ft elev
35K· 21.75 mi
7:26/mi
2:36:17
9892
36 ft elev
40K· 24.85 mi
7:36/mi
2:59:54
36530.1%
18 ft elev
Finish· 26.22 mi
7:48/mi
3:10:32
80240.8%
74 ft elev
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

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Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time1:33:04
Pace7:08 /mi
2nd Half
Distance13.17 mi
Time1:37:27
Pace7:24 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:45:1623:267:3323:26
7:33
-
10K
6.21 mi08:06:3544:457:1221:19
6:52
-0:41
15K
9.32 mi08:28:121:06:227:0721:37
6:57
+0:05
21K
13.05 mi08:54:541:33:047:0826:42
7:10
+0:13
25K
15.53 mi09:12:181:50:287:0717:24
7:00
-0:10
30K
18.64 mi09:35:012:13:117:0922:43
7:19
+0:19
35K
21.75 mi09:58:072:36:177:1123:06
7:26
+0:07
40K
24.85 mi10:21:442:59:547:1423:37
7:36
+0:10
Finish
26.22 mi10:32:223:10:327:1610:38
7:48
+0:12

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

6:52 /mi

Average Pace

7:16 /mi

Slowest Pace

7:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:17

82% of race

Time at Steady Pace

34:15

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi07:45:1623:267:3323:26
7:33
#1012
10K
6.21 mi08:06:3544:457:1221:19
6:52
#857
15K
9.32 mi08:28:121:06:227:0721:37
6:57
#855
21K
13.05 mi08:54:541:33:047:0826:42
7:10
#845
25K
15.53 mi09:12:181:50:287:0717:24
7:00
#837
30K
18.64 mi09:35:012:13:117:0922:43
7:19
#818
35K
21.75 mi09:58:072:36:177:1123:06
7:26
#802
40K
24.85 mi10:21:442:59:547:1423:37
7:36
#805
Finish
26.22 mi10:32:223:10:327:1610:38
7:48
#805
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi1012895128838(Top 3%)768(Top 4%)110(Top 8%)
10K6.21 mi3.10 mi857+155778+117107+21772(Top 3%)712(Top 4%)101(Top 7%)
15K9.32 mi3.11 mi855+2779-1110-3838(Top 3%)768(Top 4%)110(Top 8%)
21K13.05 mi3.73 mi845+10773+6108+2858(Top 3%)785(Top 4%)115(Top 8%)
25K15.53 mi2.48 mi837+8765+8109-1943(Top 3%)843(Top 5%)124(Top 9%)
30K18.64 mi3.11 mi818+19742+23106+3945(Top 3%)836(Top 5%)131(Top 9%)
35K21.75 mi3.11 mi802+16730+12103+3892(Top 3%)775(Top 4%)122(Top 9%)
40K24.85 mi3.10 mi805-3724+6108-5937(Top 3%)787(Top 4%)131(Top 9%)
Finish26.22 mi1.37 mi805723+1109-11175(Top 4%)941(Top 5%)166(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×18story building
+279ft-164ft

Overall

838

Males

768

M20-24

768

5K→10K

3.1 - 6.2 mi

Top 3%
×11story building
+103ft-217ft

Overall

772

Males

712

M20-24

712

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+51ft-55ft

Overall

838

Males

768

M20-24

768

15K→21K

9.3 - 13.1 mi

Top 3%
×1story
+20ft-37ft

Overall

858

Males

785

M20-24

785

21K→25K

13.1 - 15.5 mi

Top 3%
×2story building
+35ft-8ft

Overall

943

Males

843

M20-24

843

25K→30K

15.5 - 18.6 mi

Top 3%
×2story building
+58ft-57ft

Overall

945

Males

836

M20-24

836

30K→35K

18.6 - 21.8 mi

Top 3%
×2story building
+98ft-92ft

Overall

892

Males

775

M20-24

775

35K→40K

21.8 - 24.9 mi

Top 3%
×2story building
+36ft-53ft

Overall

937

Males

787

M20-24

787

40K→Finish

24.9 - 26.2 mi

Top 4%
×5story building
+80ft-24ft

Overall

1175

Males

941

M20-24

941

Passing Analysis

Category:
Athletes Passed
394*
Passed By
187
Net Change
+207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1012
5K10K1627+155#1012#857
10K15K2422+2#857#855
15K21K30*20+10#855#845
21K25K2719+8#845#837
25K30K40*21+19#837#818
30K35K4832+16#818#802
35K40K4649-3#802#805
40KFinish17*170#805#805
TOTALS394*187+207

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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

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Timing Productions