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BOSTON MARATHON 2023

Kristina Tomlan

Bib: 16530•F

OH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
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
7:30/mi
23:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
46:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:10:59
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:35:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:40:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
2:00:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:17/mi
2:25:53
↑ 181↓ 1480.2%
20M
8:37/mi
2:37:35
↑ 64↓ 500.2%
21M
9:36/mi
2:47:11
↑ 106↓ 241.6%
35K· 21.75 mi
10:06/mi
2:54:44
↑ 17↓ 861.7%
23M
8:16/mi
3:05:05
↑ 23↓ 630.6%
24M
8:15/mi
3:13:20
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:20:49
↓ 200.3%
25.2M
9:31/mi
3:24:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:26/mi
3:32:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:53
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:51:49
Pace8:32 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2023:187:3023:18
7:30
-
10K
6.21 mi11:36:5946:577:3323:39
7:37
+0:07
15K
9.32 mi12:01:011:10:597:3724:02
7:44
+0:07
20K
12.43 mi12:25:401:35:387:4224:39
7:56
+0:12
Half
13.11 mi12:30:551:40:537:425:15
7:42
-0:14
25K
15.53 mi12:50:122:00:107:4419:17
7:57
+0:15
30K
18.64 mi13:15:552:25:537:5025:43
8:17
+0:20
20M
20.00 mi13:27:372:37:357:5311:42
8:37
+0:20
21M
21.00 mi13:37:132:47:117:589:36
9:36
+0:59
35K
21.75 mi13:44:462:54:448:027:33
10:06
+0:30
23M
23.00 mi13:55:073:05:058:0310:21
8:16
-1:50
24M
24.00 mi14:03:223:13:208:038:15
8:15
-0:01
40K
24.85 mi14:10:513:20:498:057:29
8:45
+0:30
25.2M
25.20 mi14:14:083:24:068:063:17
9:31
+0:46
Finish
26.22 mi14:22:443:32:428:078:36
8:26
-1:05

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

7:30 /mi

Average Pace

8:07 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:14

36% of race

Time at Steady Pace

1:48:33

51% of race

Time at Slower Pace

27:55

13% of race

Average Pace: 8:07 /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 mi11:13:2023:187:3023:18
7:30
#9652
10K
6.21 mi11:36:5946:577:3323:39
7:37
#10533
15K
9.32 mi12:01:011:10:597:3724:02
7:44
#11075
20K
12.43 mi12:25:401:35:387:4224:39
7:56
#11502
Half
13.11 mi12:30:551:40:537:425:15
7:42
#11502
25K
15.53 mi12:50:122:00:107:4419:17
7:57
#11573
30K
18.64 mi13:15:552:25:537:5025:43
8:17
#11830
20M
20.00 mi13:27:372:37:357:5311:42
8:37
#12043
21M
21.00 mi13:37:132:47:117:589:36
9:36
#12350
35K
21.75 mi13:44:462:54:448:027:33
10:06
#12902
23M
23.00 mi13:55:073:05:058:0310:21
8:16
#12819
24M
24.00 mi14:03:223:13:208:038:15
8:15
#12808
40K
24.85 mi14:10:513:20:498:057:29
8:45
#12870
25.2M
25.20 mi14:14:083:24:068:063:17
9:31
#12915
Finish
26.22 mi14:22:443:32:428:078:36
8:26
#12979
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi96521686168612183(Top 46%)3005(Top 26%)3005(Top 62%)
10K6.21 mi3.10 mi10533-8812091-4052091-40511457(Top 43%)2585(Top 23%)2585(Top 53%)
15K9.32 mi3.11 mi11075-5422375-2842375-28412183(Top 46%)3005(Top 26%)3005(Top 62%)
20K12.43 mi3.11 mi11502-4272620-2452620-24512914(Top 49%)3499(Top 31%)3499(Top 72%)
Half13.11 mi0.68 mi115022627-72627-711943(Top 45%)2895(Top 25%)2895(Top 59%)
25K15.53 mi2.42 mi11573-712680-532680-5312363(Top 46%)3291(Top 29%)3291(Top 67%)
30K18.64 mi3.11 mi11830-2572881-2012881-20112889(Top 48%)3687(Top 32%)3687(Top 75%)
20M20.00 mi1.36 mi12043-2133031-1503031-15014325(Top 54%)4604(Top 40%)4604(Top 94%)
21M21.00 mi1.00 mi12350-3073204-1733204-17316420(Top 62%)5859(Top 51%)5859(Top 120%)
35K21.75 mi0.75 mi12902-5523549-3453549-34521532(Top 81%)8784(Top 77%)8784(Top 180%)
23M23.00 mi1.25 mi12819+833520+293520+2911671(Top 44%)3345(Top 29%)3345(Top 68%)
24M24.00 mi1.00 mi12808+113540-203540-2012957(Top 49%)4109(Top 36%)4109(Top 84%)
40K24.85 mi0.85 mi12870-623595-553595-5514829(Top 56%)5191(Top 45%)5191(Top 106%)
25.2M25.20 mi0.35 mi12915-453632-373632-3715294(Top 57%)5455(Top 48%)5455(Top 112%)
Finish26.22 mi1.02 mi12979-643688-563688-5615015(Top 56%)5250(Top 46%)5250(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12183

Females

3005

F18-39

3005

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11457

Females

2585

F18-39

2585

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12183

Females

3005

F18-39

3005

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12914

Females

3499

F18-39

3499

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11943

Females

2895

F18-39

2895

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12363

Females

3291

F18-39

3291

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12889

Females

3687

F18-39

3687

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14325

Females

4604

F18-39

4604

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16420

Females

5859

F18-39

5859

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21532

Females

8784

F18-39

8784

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11671

Females

3345

F18-39

3345

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12957

Females

4109

F18-39

4109

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14829

Females

5191

F18-39

5191

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15294

Females

5455

F18-39

5455

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15015

Females

5250

F18-39

5250

Passing Analysis

Category:
Athletes Passed
810
Passed By
4136
Net Change
-3327
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9652
5K → 10K63943-881#9652#10533
10K → 15K56598-542#10533#11075
15K → 20K56483-427#11075#11502
20K → Half32320#11502#11502
Half → 25K106177-71#11502#11573
25K → 30K106363-257#11573#11830
30K → 20M55268-213#11830#12043
20M → 21M27334-307#12043#12350
21M → 35K4556-552#12350#12902
35K → 23M13249+83#12902#12819
23M → 24M7766+11#12819#12808
24M → 40K49111-62#12808#12870
40K → 25.2M1358-45#12870#12915
25.2M → Finish3498-64#12915#12979
TOTALS8104136-3327
📊

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