Jason Thomas

Bib: 12317M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7469 ft
×2stacked redwood trees
890 ft climb · 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:33/mi
23:27
973451.5%
10K· 6.21 mi
7:49/mi
47:45
791380.4%
15K· 9.32 mi
8:10/mi
1:13:07
6778
20K· 12.43 mi
8:55/mi
1:40:48
106860.1%
Half· 13.11 mi
9:01/mi
1:46:57
19370.5%
25K· 15.53 mi
12:01/mi
2:16:06
66880.2%
30K· 18.64 mi
14:16/mi
3:00:26
1811480.2%
20M
14:54/mi
3:20:41
64500.2%
21M
16:13/mi
3:36:54
106241.6%
35K· 21.75 mi
14:50/mi
3:48:00
17861.7%
23M
15:03/mi
4:06:51
23630.6%
24M
16:27/mi
4:23:18
821.3%
40K· 24.85 mi
16:59/mi
4:37:49
200.3%
25.2M
18:45/mi
4:44:17
13160.2%
Finish· 26.22 mi
15:39/mi
5:00:14
2221

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:57
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time3:13:17
Pace14:45 /mi
📊Positive Split: 80.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1323:277:3323:27
7:33
-
10K
6.21 mi11:16:3147:457:4124:18
7:49
+0:16
15K
9.32 mi11:41:531:13:077:5125:22
8:10
+0:21
20K
12.43 mi12:09:341:40:488:0727:41
8:55
+0:45
Half
13.11 mi12:15:431:46:578:096:09
9:01
+0:06
25K
15.53 mi12:44:522:16:068:4629:09
12:01
+3:00
30K
18.64 mi13:29:123:00:269:4144:20
14:16
+2:15
20M
20.00 mi13:49:273:20:4110:0220:15
14:54
+0:38
21M
21.00 mi14:05:403:36:5410:2016:13
16:13
+1:19
35K
21.75 mi14:16:463:48:0010:2911:06
14:50
-1:23
23M
23.00 mi14:35:374:06:5110:4418:51
15:03
+0:13
24M
24.00 mi14:52:044:23:1810:5816:27
16:27
+1:24
40K
24.85 mi15:06:354:37:4911:1114:31
16:59
+0:32
25.2M
25.20 mi15:13:034:44:1711:176:28
18:45
+1:46
Finish
26.22 mi15:29:005:00:1411:2815:57
15:39
-3:06

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

7:33 /mi

Average Pace

11:28 /mi

Slowest Pace

18:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:06

45% of race

Time at Steady Pace

2:23:09

48% of race

Time at Slower Pace

20:59

7% of race

Average Pace: 11:27 /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 mi10:52:1323:277:3323:27
7:33
#11169
10K
6.21 mi11:16:3147:457:4124:18
7:49
#11953
15K
9.32 mi11:41:531:13:077:5125:22
8:10
#12878
20K
12.43 mi12:09:341:40:488:0727:41
8:55
#14131
Half
13.11 mi12:15:431:46:578:096:09
9:01
#14388
25K
15.53 mi12:44:522:16:068:4629:09
12:01
#17162
30K
18.64 mi13:29:123:00:269:4144:20
14:16
#19901
20M
20.00 mi13:49:273:20:4110:0220:15
14:54
#20550
21M
21.00 mi14:05:403:36:5410:2016:13
16:13
#20971
35K
21.75 mi14:16:463:48:0010:2911:06
14:50
#21217
23M
23.00 mi14:35:374:06:5110:4418:51
15:03
#21559
24M
24.00 mi14:52:044:23:1810:5816:27
16:27
#21953
40K
24.85 mi15:06:354:37:4911:1114:31
16:59
#22271
25.2M
25.20 mi15:13:034:44:1711:176:28
18:45
#22419
Finish
26.22 mi15:29:005:00:1411:2815:57
15:39
#22782
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi111698495849514501(Top 57%)9811(Top 67%)9811(Top 507%)
10K6.21 mi3.10 mi11953-7848782-2878782-28712835(Top 50%)9142(Top 63%)9142(Top 472%)
15K9.32 mi3.11 mi12878-9259165-3839165-38314501(Top 57%)9811(Top 67%)9811(Top 507%)
20K12.43 mi3.11 mi14131-12539660-4959660-49516942(Top 66%)10780(Top 74%)10780(Top 557%)
Half13.11 mi0.68 mi14388-2579750-909750-9018334(Top 72%)11344(Top 78%)11344(Top 586%)
25K15.53 mi2.42 mi17162-277410833-108310833-108323173(Top 91%)13499(Top 93%)13499(Top 698%)
30K18.64 mi3.11 mi19901-273912018-118512018-118524409(Top 96%)13993(Top 96%)13993(Top 723%)
20M20.00 mi1.36 mi20550-64912287-26912287-26924686(Top 97%)14078(Top 97%)14078(Top 728%)
21M21.00 mi1.00 mi20971-42112457-17012457-17024640(Top 96%)14038(Top 96%)14038(Top 725%)
35K21.75 mi0.75 mi21217-24612554-9712554-9724796(Top 97%)14094(Top 97%)14094(Top 728%)
23M23.00 mi1.25 mi21559-34212696-14212696-14224690(Top 97%)14036(Top 96%)14036(Top 725%)
24M24.00 mi1.00 mi21953-39412874-17812874-17825219(Top 99%)14339(Top 98%)14339(Top 741%)
40K24.85 mi0.85 mi22271-31813017-14313017-14325211(Top 99%)14334(Top 98%)14334(Top 741%)
25.2M25.20 mi0.35 mi22419-14813076-5913076-5925188(Top 99%)14324(Top 98%)14324(Top 740%)
Finish26.22 mi1.02 mi22782-36313262-18613262-18625300(Top 99%)14382(Top 99%)14382(Top 743%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

14501

Males

9811

M50-54

9811

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

12835

Males

9142

M50-54

9142

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

14501

Males

9811

M50-54

9811

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

16942

Males

10780

M50-54

10780

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

18334

Males

11344

M50-54

11344

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

23173

Males

13499

M50-54

13499

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

24409

Males

13993

M50-54

13993

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

24686

Males

14078

M50-54

14078

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

24640

Males

14038

M50-54

14038

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

24796

Males

14094

M50-54

14094

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

24690

Males

14036

M50-54

14036

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

25219

Males

14339

M50-54

14339

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25211

Males

14334

M50-54

14334

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

25188

Males

14324

M50-54

14324

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

25300

Males

14382

M50-54

14382

Passing Analysis

Category:
Athletes Passed
307
Passed By
11920
Net Change
-11613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11169
5K10K79863-784#11169#11953
10K15K48973-925#11953#12878
15K20K561309-1253#12878#14131
20KHalf10267-257#14131#14388
Half25K172791-2774#14388#17162
25K30K102749-2739#17162#19901
30K20M9658-649#19901#20550
20M21M11432-421#20550#20971
21M35K17263-246#20971#21217
35K23M15357-342#21217#21559
23M24M12406-394#21559#21953
24M40K12330-318#21953#22271
40K25.2M4152-148#22271#22419
25.2MFinish7370-363#22419#22782
TOTALS30711920-11613
📊

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