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BOSTON MARATHON 2023

Heather Colasuonno

Bib: 12252•F

ON

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 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
7:17/mi
22:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:11/mi
44:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:07:07
↑ 67↓ 78
20K· 12.43 mi
7:06/mi
1:29:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:33:59
↑ 19↓ 370.5%
25K· 15.53 mi
7:04/mi
1:51:08
↑ 66↓ 880.2%
30K· 18.64 mi
7:13/mi
2:13:33
↑ 181↓ 1480.2%
20M
7:12/mi
2:23:20
↑ 64↓ 500.2%
21M
7:31/mi
2:30:51
↑ 106↓ 241.6%
35K· 21.75 mi
6:56/mi
2:36:02
↑ 17↓ 861.7%
23M
7:09/mi
2:44:59
↑ 23↓ 630.6%
24M
7:00/mi
2:51:59
↓ 821.3%
40K· 24.85 mi
7:12/mi
2:58:08
↓ 200.3%
25.2M
7:41/mi
3:00:47
↑ 13↓ 160.2%
Finish· 26.22 mi
6:51/mi
3:07:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:33:59
Pace7:10 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:33:47
Pace7:09 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5122:387:1722:38
7:17
-
10K
6.21 mi11:12:1144:587:1422:20
7:11
-0:06
15K
9.32 mi11:34:201:07:077:1222:09
7:08
-0:03
20K
12.43 mi11:56:221:29:097:1022:02
7:06
-0:02
Half
13.11 mi12:01:121:33:597:104:50
7:05
-0:01
25K
15.53 mi12:18:211:51:087:0917:09
7:04
-0:01
30K
18.64 mi12:40:462:13:337:1022:25
7:13
+0:09
20M
20.00 mi12:50:332:23:207:109:47
7:12
-0:01
21M
21.00 mi12:58:042:30:517:117:31
7:31
+0:19
35K
21.75 mi13:03:152:36:027:105:11
6:56
-0:35
23M
23.00 mi13:12:122:44:597:108:57
7:09
+0:13
24M
24.00 mi13:19:122:51:597:107:00
7:00
-0:09
40K
24.85 mi13:25:212:58:087:106:09
7:12
+0:12
25.2M
25.20 mi13:28:003:00:477:102:39
7:41
+0:29
Finish
26.22 mi13:34:593:07:467:106:59
6:51
-0:50

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

6:51 /mi

Average Pace

7:10 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:07

99% of race

Time at Steady Pace

2:39

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:49:5122:387:1722:38
7:17
#8030
10K
6.21 mi11:12:1144:587:1422:20
7:11
#8017
15K
9.32 mi11:34:201:07:077:1222:09
7:08
#7758
20K
12.43 mi11:56:221:29:097:1022:02
7:06
#7374
Half
13.11 mi12:01:121:33:597:104:50
7:05
#7344
25K
15.53 mi12:18:211:51:087:0917:09
7:04
#7086
30K
18.64 mi12:40:462:13:337:1022:25
7:13
#6776
20M
20.00 mi12:50:332:23:207:109:47
7:12
#6632
21M
21.00 mi12:58:042:30:517:117:31
7:31
#6479
35K
21.75 mi13:03:152:36:027:105:11
6:56
#6395
23M
23.00 mi13:12:122:44:597:108:57
7:09
#6231
24M
24.00 mi13:19:122:51:597:107:00
7:00
#6116
40K
24.85 mi13:25:212:58:087:106:09
7:12
#6033
25.2M
25.20 mi13:28:003:00:477:102:39
7:41
#5994
Finish
26.22 mi13:34:593:07:467:106:59
6:51
#5887
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8030101910197359(Top 28%)847(Top 7%)847(Top 17%)
10K6.21 mi3.10 mi8017+131033-141033-148024(Top 30%)1053(Top 9%)1053(Top 22%)
15K9.32 mi3.11 mi7758+259949+84949+847359(Top 28%)847(Top 7%)847(Top 17%)
20K12.43 mi3.11 mi7374+384844+105844+1056520(Top 24%)658(Top 6%)658(Top 13%)
Half13.11 mi0.68 mi7344+30836+8836+87090(Top 27%)782(Top 7%)782(Top 16%)
25K15.53 mi2.42 mi7086+258779+57779+575998(Top 23%)551(Top 5%)551(Top 11%)
30K18.64 mi3.11 mi6776+310722+57722+575586(Top 21%)520(Top 5%)520(Top 11%)
20M20.00 mi1.36 mi6632+144702+20702+205125(Top 19%)484(Top 4%)484(Top 10%)
21M21.00 mi1.00 mi6479+153676+26676+264694(Top 18%)445(Top 4%)445(Top 9%)
35K21.75 mi0.75 mi6395+84652+24652+244990(Top 19%)505(Top 4%)505(Top 10%)
23M23.00 mi1.25 mi6231+164624+28624+284576(Top 17%)433(Top 4%)433(Top 9%)
24M24.00 mi1.00 mi6116+115610+14610+144705(Top 18%)493(Top 4%)493(Top 10%)
40K24.85 mi0.85 mi6033+83601+9601+94877(Top 18%)607(Top 5%)607(Top 12%)
25.2M25.20 mi0.35 mi5994+39599+2599+24860(Top 18%)667(Top 6%)667(Top 14%)
Finish26.22 mi1.02 mi5887+107584+15584+154393(Top 17%)550(Top 5%)550(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7359

Females

847

F18-39

847

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8024

Females

1053

F18-39

1053

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7359

Females

847

F18-39

847

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6520

Females

658

F18-39

658

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7090

Females

782

F18-39

782

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

5998

Females

551

F18-39

551

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5586

Females

520

F18-39

520

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5125

Females

484

F18-39

484

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4694

Females

445

F18-39

445

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

4990

Females

505

F18-39

505

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4576

Females

433

F18-39

433

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4705

Females

493

F18-39

493

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4877

Females

607

F18-39

607

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4860

Females

667

F18-39

667

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4393

Females

550

F18-39

550

Passing Analysis

Category:
Athletes Passed
2494
Passed By
351
Net Change
+2143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8030
5K → 10K234221+13#8030#8017
10K → 15K29435+259#8017#7758
15K → 20K39410+384#7758#7374
20K → Half4414+30#7374#7344
Half → 25K2624+258#7344#7086
25K → 30K32212+310#7086#6776
30K → 20M15410+144#6776#6632
20M → 21M1574+153#6632#6479
21M → 35K906+84#6479#6395
35K → 23M1695+164#6395#6231
23M → 24M1205+115#6231#6116
24M → 40K907+83#6116#6033
40K → 25.2M456+39#6033#5994
25.2M → Finish11912+107#5994#5887
TOTALS2494351+2143
📊

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