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BOSTON MARATHON 2023

Tiffany Coleman

Bib: 12343•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
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
7:15/mi
22:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
44:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:09/mi
1:06:56
↑ 67↓ 78
20K· 12.43 mi
7:15/mi
1:29:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:51:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:16:53
↑ 181↓ 1480.2%
20M
8:00/mi
2:27:45
↑ 64↓ 500.2%
21M
8:57/mi
2:36:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:42:30
↑ 17↓ 861.7%
23M
8:13/mi
2:52:47
↑ 23↓ 630.6%
24M
7:57/mi
3:00:44
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:07:55
↓ 200.3%
25.2M
9:37/mi
3:11:14
↑ 13↓ 160.2%
Finish· 26.22 mi
7:58/mi
3:19:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:17
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:45:04
Pace8:01 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5222:317:1522:31
7:15
-
10K
6.21 mi11:12:0344:427:1222:11
7:08
-0:07
15K
9.32 mi11:34:171:06:567:1122:14
7:09
+0:01
20K
12.43 mi11:56:471:29:267:1222:30
7:15
+0:06
Half
13.11 mi12:01:381:34:177:124:51
7:07
-0:08
25K
15.53 mi12:19:201:51:597:1317:42
7:18
+0:11
30K
18.64 mi12:44:142:16:537:2124:54
8:01
+0:43
20M
20.00 mi12:55:062:27:457:2310:52
8:00
-0:01
21M
21.00 mi13:04:032:36:427:288:57
8:57
+0:57
35K
21.75 mi13:09:512:42:307:285:48
7:45
-1:12
23M
23.00 mi13:20:082:52:477:3110:17
8:13
+0:28
24M
24.00 mi13:28:053:00:447:327:57
7:57
-0:16
40K
24.85 mi13:35:163:07:557:347:11
8:24
+0:27
25.2M
25.20 mi13:38:353:11:147:353:19
9:37
+1:13
Finish
26.22 mi13:46:423:19:217:378:07
7:58
-1:39

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

7:07 /mi

Average Pace

7:37 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:59

56% of race

Time at Steady Pace

1:07:55

34% of race

Time at Slower Pace

19:27

10% 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 mi10:49:5222:317:1522:31
7:15
#7798
10K
6.21 mi11:12:0344:427:1222:11
7:08
#7732
15K
9.32 mi11:34:171:06:567:1122:14
7:09
#7628
20K
12.43 mi11:56:471:29:267:1222:30
7:15
#7523
Half
13.11 mi12:01:381:34:177:124:51
7:07
#7503
25K
15.53 mi12:19:201:51:597:1317:42
7:18
#7423
30K
18.64 mi12:44:142:16:537:2124:54
8:01
#7969
20M
20.00 mi12:55:062:27:457:2310:52
8:00
#8078
21M
21.00 mi13:04:032:36:427:288:57
8:57
#8366
35K
21.75 mi13:09:512:42:307:285:48
7:45
#8434
23M
23.00 mi13:20:082:52:477:3110:17
8:13
#8561
24M
24.00 mi13:28:053:00:447:327:57
7:57
#8653
40K
24.85 mi13:35:163:07:557:347:11
8:24
#8785
25.2M
25.20 mi13:38:353:11:147:353:19
9:37
#8888
Finish
26.22 mi13:46:423:19:217:378:07
7:58
#8995
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi77989499497516(Top 28%)901(Top 8%)901(Top 18%)
10K6.21 mi3.10 mi7732+66928+21928+217706(Top 29%)962(Top 8%)962(Top 20%)
15K9.32 mi3.11 mi7628+104909+19909+197516(Top 28%)901(Top 8%)901(Top 18%)
20K12.43 mi3.11 mi7523+105890+19890+197392(Top 28%)901(Top 8%)901(Top 18%)
Half13.11 mi0.68 mi7503+20887+3887+37304(Top 27%)870(Top 8%)870(Top 18%)
25K15.53 mi2.42 mi7423+80871+16871+167310(Top 27%)948(Top 8%)948(Top 19%)
30K18.64 mi3.11 mi7969-5461105-2341105-23411014(Top 41%)2642(Top 23%)2642(Top 54%)
20M20.00 mi1.36 mi8078-1091163-581163-5810243(Top 38%)2336(Top 20%)2336(Top 48%)
21M21.00 mi1.00 mi8366-2881290-1271290-12713121(Top 49%)4002(Top 35%)4002(Top 82%)
35K21.75 mi0.75 mi8434-681326-361326-3610309(Top 39%)2498(Top 22%)2498(Top 51%)
23M23.00 mi1.25 mi8561-1271395-691395-6911278(Top 42%)3139(Top 27%)3139(Top 64%)
24M24.00 mi1.00 mi8653-921452-571452-5710886(Top 41%)3017(Top 26%)3017(Top 62%)
40K24.85 mi0.85 mi8785-1321533-811533-8112714(Top 48%)4052(Top 35%)4052(Top 83%)
25.2M25.20 mi0.35 mi8888-1031580-471580-4715737(Top 59%)5693(Top 50%)5693(Top 117%)
Finish26.22 mi1.02 mi8995-1071642-621642-6211871(Top 45%)3628(Top 32%)3628(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7516

Females

901

F18-39

901

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7706

Females

962

F18-39

962

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7516

Females

901

F18-39

901

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7392

Females

901

F18-39

901

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7304

Females

870

F18-39

870

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7310

Females

948

F18-39

948

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11014

Females

2642

F18-39

2642

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10243

Females

2336

F18-39

2336

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13121

Females

4002

F18-39

4002

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10309

Females

2498

F18-39

2498

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11278

Females

3139

F18-39

3139

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10886

Females

3017

F18-39

3017

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12714

Females

4052

F18-39

4052

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15737

Females

5693

F18-39

5693

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11871

Females

3628

F18-39

3628

Passing Analysis

Category:
Athletes Passed
1055
Passed By
2252
Net Change
-1197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7798
5K → 10K257191+66#7798#7732
10K → 15K19187+104#7732#7628
15K → 20K16762+105#7628#7523
20K → Half3313+20#7523#7503
Half → 25K11939+80#7503#7423
25K → 30K33579-546#7423#7969
30K → 20M55164-109#7969#8078
20M → 21M14302-288#8078#8366
21M → 35K2997-68#8366#8434
35K → 23M50177-127#8434#8561
23M → 24M43135-92#8561#8653
24M → 40K26158-132#8653#8785
40K → 25.2M8111-103#8785#8888
25.2M → Finish30137-107#8888#8995
TOTALS10552252-1197
📊

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