Nathan Kolbus

Bib: 359M

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.5%
Gender (Male)
#0 / 16105
Top 0.7%
Division (M18-39)
#0 / 5642
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
16:56
Rank: #178
Start5K
16:56 | 5:27/mi
10K· 6.21 mi
34:05
Rank: #193 (-15)
5K10K
17:09 | 5:31/mi
15K· 9.32 mi
51:28
Rank: #206 (-13)
10K15K
17:23 | 5:36/mi
20K· 12.43 mi
1:08:52
Rank: #205 (+1)
15K20K
17:24 | 5:36/mi
Half· 13.11 mi
1:12:40
Rank: #206 (-1)
20KHalf
3:48 | 5:34/mi
25K· 15.53 mi
1:26:18
Rank: #198 (+8)
Half25K
13:38 | 5:37/mi
30K· 18.64 mi
1:43:54
Rank: #177 (+21)
25K30K
17:36 | 5:40/mi
20M
1:51:34
Rank: #169 (+8)
30K20M
7:40 | 5:38/mi
21M
1:57:33
Rank: #159 (+10)
20M21M
5:59 | 5:59/mi
35K· 21.75 mi
2:01:36
Rank: #153 (+6)
21M35K
4:03 | 5:25/mi
23M
2:08:43
Rank: #149 (+4)
35K23M
7:07 | 5:41/mi
24M
2:14:19
Rank: #146 (+3)
23M24M
5:36 | 5:36/mi
40K· 24.85 mi
2:19:16
Rank: #141 (+5)
24M40K
4:57 | 5:47/mi
25.2M
2:21:25
Rank: #141
40K25.2M
2:09 | 6:14/mi
Finish· 26.22 mi
2:27:07
Rank: #139 (+2)
25.2MFinish
5:42 | 5:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:40
Pace5:33 /mi
2nd Half
Distance13.11 mi
Time1:14:27
Pace5:41 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:0016:565:2716:56
5:27
-
10K
6.21 mi10:34:0934:055:2917:09
5:31
+0:04
15K
9.32 mi10:51:3251:285:3117:23
5:36
+0:05
20K
12.43 mi11:08:561:08:525:3217:24
5:36
0:00
Half
13.11 mi11:12:441:12:405:333:48
5:34
-0:02
25K
15.53 mi11:26:221:26:185:3313:38
5:37
+0:03
30K
18.64 mi11:43:581:43:545:3417:36
5:40
+0:03
20M
20.00 mi11:51:381:51:345:357:40
5:38
-0:02
21M
21.00 mi11:57:371:57:335:365:59
5:59
+0:21
35K
21.75 mi12:01:402:01:365:354:03
5:25
-0:34
23M
23.00 mi12:08:472:08:435:367:07
5:41
+0:16
24M
24.00 mi12:14:232:14:195:365:36
5:36
-0:05
40K
24.85 mi12:19:202:19:165:364:57
5:47
+0:11
25.2M
25.20 mi12:21:292:21:255:372:09
6:14
+0:27
Finish
26.22 mi12:27:112:27:075:375:42
5:36
-0:38

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

5:25 /mi

Average Pace

5:37 /mi

Slowest Pace

6:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:18:59

94% of race

Time at Steady Pace

8:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:37 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:17:0016:565:2716:56
5:27
#178
10K
6.21 mi10:34:0934:055:2917:09
5:31
#193
15K
9.32 mi10:51:3251:285:3117:23
5:36
#206
20K
12.43 mi11:08:561:08:525:3217:24
5:36
#205
Half
13.11 mi11:12:441:12:405:333:48
5:34
#206
25K
15.53 mi11:26:221:26:185:3313:38
5:37
#198
30K
18.64 mi11:43:581:43:545:3417:36
5:40
#177
20M
20.00 mi11:51:381:51:345:357:40
5:38
#169
21M
21.00 mi11:57:371:57:335:365:59
5:59
#159
35K
21.75 mi12:01:402:01:365:354:03
5:25
#153
23M
23.00 mi12:08:472:08:435:367:07
5:41
#149
24M
24.00 mi12:14:232:14:195:365:36
5:36
#146
40K
24.85 mi12:19:202:19:165:364:57
5:47
#141
25.2M
25.20 mi12:21:292:21:255:372:09
6:14
#141
Finish
26.22 mi12:27:112:27:075:375:42
5:36
#139
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi178157157240(Top 0.8%)212(Top 1%)212(Top 4%)
10K6.21 mi3.10 mi193-15167-10167-10217(Top 0.8%)189(Top 1%)189(Top 3%)
15K9.32 mi3.11 mi206-13180-13180-13240(Top 0.8%)212(Top 1%)212(Top 4%)
20K12.43 mi3.11 mi205+1179+1179+1195(Top 0.7%)172(Top 1%)172(Top 3%)
Half13.11 mi0.68 mi206-1180-1180-1253(Top 0.9%)228(Top 1%)228(Top 4%)
25K15.53 mi2.42 mi198+8172+8172+8210(Top 0.7%)186(Top 1%)186(Top 3%)
30K18.64 mi3.11 mi177+21154+18154+18149(Top 0.5%)131(Top 0.8%)131(Top 2%)
20M20.00 mi1.36 mi169+8147+7147+7102(Top 0.4%)96(Top 0.6%)96(Top 2%)
21M21.00 mi1.00 mi159+10138+9138+9114(Top 0.4%)108(Top 0.7%)108(Top 2%)
35K21.75 mi0.75 mi153+6132+6132+681(Top 0.3%)77(Top 0.5%)77(Top 1%)
23M23.00 mi1.25 mi149+4128+4128+4109(Top 0.4%)102(Top 0.6%)102(Top 2%)
24M24.00 mi1.00 mi146+3125+3125+3124(Top 0.4%)116(Top 0.7%)116(Top 2%)
40K24.85 mi0.85 mi141+5120+5120+5176(Top 0.6%)163(Top 1%)163(Top 3%)
25.2M25.20 mi0.35 mi141120120174(Top 0.6%)164(Top 1%)164(Top 3%)
Finish26.22 mi1.02 mi139+2118+2118+2216(Top 0.8%)203(Top 1%)203(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21stories
+97ft-345ft

Overall

240

Males

212

M18-39

212

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5stories
+79ft-138ft

Overall

217

Males

189

M18-39

189

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3stories
+67ft-78ft

Overall

240

Males

212

M18-39

212

15K→20K

9.3 - 12.4 mi

Top 0.7%
×5stories
+106ft-86ft

Overall

195

Males

172

M18-39

172

20K→Half

12.4 - 13.1 mi

Top 0.9%
×2stories
+19ft-37ft

Overall

253

Males

228

M18-39

228

Half→25K

13.1 - 15.5 mi

Top 0.7%
×4stories
+66ft-88ft

Overall

210

Males

186

M18-39

186

25K→30K

15.5 - 18.6 mi

Top 0.5%
×9stories
+181ft-148ft

Overall

149

Males

131

M18-39

131

30K→20M

18.6 - 20.0 mi

Top 0.4%
×5stories
+64ft-50ft

Overall

102

Males

96

M18-39

96

20M→21M

20.0 - 21.0 mi

Top 0.4%
×8stories
+106ft-24ft

Overall

114

Males

108

M18-39

108

21M→35K

21.0 - 21.8 mi

Top 0.3%
×7stories
+17ft-86ft

Overall

81

Males

77

M18-39

77

35K→23M

21.8 - 23.0 mi

Top 0.4%
×5stories
+23ft-63ft

Overall

109

Males

102

M18-39

102

23M→24M

23.0 - 24.0 mi

Top 0.4%
×6stories
+12ft-82ft

Overall

124

Males

116

M18-39

116

24M→40K

24.0 - 24.9 mi

Top 0.6%
×1story
+6ft-20ft

Overall

176

Males

163

M18-39

163

40K→25.2M

24.9 - 25.2 mi

Top 0.6%
×1story
+13ft-16ft

Overall

174

Males

164

M18-39

164

25.2M→Finish

25.2 - 26.2 mi

Top 0.8%
×2stories
+22ft-21ft

Overall

216

Males

203

M18-39

203

Passing Analysis

Category:
Athletes Passed
102
Passed By
63
Net Change
+39
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#178
5K10K722-15#178#193
10K15K417-13#193#206
15K20K1110+1#206#205
20KHalf01-1#205#206
Half25K146+8#206#198
25K30K243+21#198#177
30K20M91+8#177#169
20M21M122+10#169#159
21M35K60+6#159#153
35K23M51+4#153#149
23M24M30+3#149#146
24M40K50+5#146#141
40K25.2M000#141#141
25.2MFinish20+2#141#139
TOTALS10263+39
📊

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