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BOSTON MARATHON 2023

Alissa Kolarik

Bib: 7018•F

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0:00
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:25
Rank: #7603
Start → 5K
22:25 | 7:13/mi
10K· 6.21 mi
44:54
Rank: #7943 (-340)
5K → 10K
22:29 | 7:14/mi
15K· 9.32 mi
1:07:46
Rank: #8236 (-293)
10K → 15K
22:52 | 7:22/mi
20K· 12.43 mi
1:31:05
Rank: #8468 (-232)
15K → 20K
23:19 | 7:30/mi
Half· 13.11 mi
1:36:07
Rank: #8504 (-36)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:54:24
Rank: #8554 (-50)
Half → 25K
18:17 | 7:32/mi
30K· 18.64 mi
2:18:36
Rank: #8646 (-92)
25K → 30K
24:12 | 7:47/mi
20M
2:29:19
Rank: #8688 (-42)
30K → 20M
10:43 | 7:53/mi
21M
2:38:38
Rank: #9054 (-366)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
2:44:08
Rank: #8994 (+60)
21M → 35K
5:30 | 7:21/mi
23M
2:54:19
Rank: #9073 (-79)
35K → 23M
10:11 | 8:08/mi
24M
3:01:51
Rank: #8999 (+74)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:08:43
Rank: #9026 (-27)
24M → 40K
6:52 | 8:02/mi
25.2M
3:11:33
Rank: #8984 (+42)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:19:25
Rank: #9026 (-42)
25.2M → Finish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:07
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:43:18
Pace7:53 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1122:257:1322:25
7:13
-
10K
6.21 mi10:49:4044:547:1422:29
7:14
+0:01
15K
9.32 mi11:12:321:07:467:1622:52
7:22
+0:08
20K
12.43 mi11:35:511:31:057:2023:19
7:30
+0:08
Half
13.11 mi11:40:531:36:077:205:02
7:23
-0:07
25K
15.53 mi11:59:101:54:247:2218:17
7:32
+0:09
30K
18.64 mi12:23:222:18:367:2624:12
7:47
+0:15
20M
20.00 mi12:34:052:29:197:2810:43
7:53
+0:06
21M
21.00 mi12:43:242:38:387:339:19
9:19
+1:26
35K
21.75 mi12:48:542:44:087:335:30
7:21
-1:58
23M
23.00 mi12:59:052:54:197:3510:11
8:08
+0:47
24M
24.00 mi13:06:373:01:517:357:32
7:32
-0:36
40K
24.85 mi13:13:293:08:437:366:52
8:02
+0:30
25.2M
25.20 mi13:16:193:11:337:362:50
8:13
+0:11
Finish
26.22 mi13:24:113:19:257:377:52
7:43
-0:30

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

7:13 /mi

Average Pace

7:37 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:54

23% of race

Time at Steady Pace

1:54:36

57% of race

Time at Slower Pace

39:55

20% of race

Average Pace: 7:36 /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 mi10:27:1122:257:1322:25
7:13
#7603
10K
6.21 mi10:49:4044:547:1422:29
7:14
#7943
15K
9.32 mi11:12:321:07:467:1622:52
7:22
#8236
20K
12.43 mi11:35:511:31:057:2023:19
7:30
#8468
Half
13.11 mi11:40:531:36:077:205:02
7:23
#8504
25K
15.53 mi11:59:101:54:247:2218:17
7:32
#8554
30K
18.64 mi12:23:222:18:367:2624:12
7:47
#8646
20M
20.00 mi12:34:052:29:197:2810:43
7:53
#8688
21M
21.00 mi12:43:242:38:387:339:19
9:19
#9054
35K
21.75 mi12:48:542:44:087:335:30
7:21
#8994
23M
23.00 mi12:59:052:54:197:3510:11
8:08
#9073
24M
24.00 mi13:06:373:01:517:357:32
7:32
#8999
40K
24.85 mi13:13:293:08:437:366:52
8:02
#9026
25.2M
25.20 mi13:16:193:11:337:362:50
8:13
#8984
Finish
26.22 mi13:24:113:19:257:377:52
7:43
#9026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76038758759032(Top 34%)1464(Top 13%)1464(Top 30%)
10K6.21 mi3.10 mi7943-340998-123998-1238389(Top 32%)1191(Top 10%)1191(Top 24%)
15K9.32 mi3.11 mi8236-2931127-1291127-1299032(Top 34%)1464(Top 13%)1464(Top 30%)
20K12.43 mi3.11 mi8468-2321223-961223-969361(Top 35%)1628(Top 14%)1628(Top 33%)
Half13.11 mi0.68 mi8504-361237-141237-149308(Top 35%)1600(Top 14%)1600(Top 33%)
25K15.53 mi2.42 mi8554-501283-461283-469101(Top 34%)1594(Top 14%)1594(Top 33%)
30K18.64 mi3.11 mi8646-921355-721355-729288(Top 35%)1829(Top 16%)1829(Top 37%)
20M20.00 mi1.36 mi8688-421389-341389-349477(Top 36%)2003(Top 18%)2003(Top 41%)
21M21.00 mi1.00 mi9054-3661553-1641553-16415071(Top 57%)5088(Top 45%)5088(Top 104%)
35K21.75 mi0.75 mi8994+601539+141539+147533(Top 28%)1325(Top 12%)1325(Top 27%)
23M23.00 mi1.25 mi9073-791599-601599-6010712(Top 40%)2867(Top 25%)2867(Top 59%)
24M24.00 mi1.00 mi8999+741597+21597+27956(Top 30%)1656(Top 14%)1656(Top 34%)
40K24.85 mi0.85 mi9026-271619-221619-2210264(Top 39%)2775(Top 24%)2775(Top 57%)
25.2M25.20 mi0.35 mi8984+421612+71612+77845(Top 29%)1757(Top 15%)1757(Top 36%)
Finish26.22 mi1.02 mi9026-421659-471659-4710109(Top 38%)2740(Top 24%)2740(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9032

Females

1464

F18-39

1464

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8389

Females

1191

F18-39

1191

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9032

Females

1464

F18-39

1464

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9361

Females

1628

F18-39

1628

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9308

Females

1600

F18-39

1600

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9101

Females

1594

F18-39

1594

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9288

Females

1829

F18-39

1829

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9477

Females

2003

F18-39

2003

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15071

Females

5088

F18-39

5088

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7533

Females

1325

F18-39

1325

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10712

Females

2867

F18-39

2867

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7956

Females

1656

F18-39

1656

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10264

Females

2775

F18-39

2775

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7845

Females

1757

F18-39

1757

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10109

Females

2740

F18-39

2740

Passing Analysis

Category:
Athletes Passed
901
Passed By
2324
Net Change
-1423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7603
5K → 10K93433-340#7603#7943
10K → 15K60353-293#7943#8236
15K → 20K71303-232#8236#8468
20K → Half1046-36#8468#8504
Half → 25K78128-50#8504#8554
25K → 30K144236-92#8554#8646
30K → 20M59101-42#8646#8688
20M → 21M16382-366#8688#9054
21M → 35K7414+60#9054#8994
35K → 23M52131-79#8994#9073
23M → 24M10127+74#9073#8999
24M → 40K4168-27#8999#9026
40K → 25.2M5210+42#9026#8984
25.2M → Finish5092-42#8984#9026
TOTALS9012324-1423
📊

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