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BOSTON MARATHON 2023

Tammy Haws

Bib: 14678•F

TX

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 37%
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
7:45/mi
24:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:11:49
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:35:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:40:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:59:53
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:24:24
↑ 181↓ 1480.2%
20M
7:58/mi
2:35:14
↑ 64↓ 500.2%
21M
8:17/mi
2:43:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:49:18
↑ 17↓ 861.7%
23M
7:48/mi
2:59:04
↑ 23↓ 630.6%
24M
7:42/mi
3:06:46
↓ 821.3%
40K· 24.85 mi
9:00/mi
3:14:28
↓ 200.3%
25.2M
8:19/mi
3:17:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:24:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:50
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:44:08
Pace7:57 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0324:047:4524:04
7:45
-
10K
6.21 mi11:39:2248:237:4724:19
7:50
+0:05
15K
9.32 mi12:02:481:11:497:4223:26
7:33
-0:17
20K
12.43 mi12:26:401:35:417:4223:52
7:41
+0:08
Half
13.11 mi12:31:491:40:507:415:09
7:33
-0:08
25K
15.53 mi12:50:521:59:537:4319:03
7:51
+0:18
30K
18.64 mi13:15:232:24:247:4524:31
7:53
+0:02
20M
20.00 mi13:26:132:35:147:4610:50
7:58
+0:05
21M
21.00 mi13:34:302:43:317:478:17
8:17
+0:19
35K
21.75 mi13:40:172:49:187:475:47
7:44
-0:33
23M
23.00 mi13:50:032:59:047:479:46
7:48
+0:04
24M
24.00 mi13:57:453:06:467:477:42
7:42
-0:06
40K
24.85 mi14:05:273:14:287:497:42
9:00
+1:18
25.2M
25.20 mi14:08:193:17:207:502:52
8:19
-0:41
Finish
26.22 mi14:15:573:24:587:497:38
7:29
-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

7:29 /mi

Average Pace

7:49 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:13

18% of race

Time at Steady Pace

2:29:54

73% of race

Time at Slower Pace

18:51

9% of race

Average Pace: 7:49 /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 mi11:15:0324:047:4524:04
7:45
#11890
10K
6.21 mi11:39:2248:237:4724:19
7:50
#12572
15K
9.32 mi12:02:481:11:497:4223:26
7:33
#11839
20K
12.43 mi12:26:401:35:417:4223:52
7:41
#11532
Half
13.11 mi12:31:491:40:507:415:09
7:33
#11474
25K
15.53 mi12:50:521:59:537:4319:03
7:51
#11443
30K
18.64 mi13:15:232:24:247:4524:31
7:53
#11145
20M
20.00 mi13:26:132:35:147:4610:50
7:58
#11036
21M
21.00 mi13:34:302:43:317:478:17
8:17
#10899
35K
21.75 mi13:40:172:49:187:475:47
7:44
#10853
23M
23.00 mi13:50:032:59:047:479:46
7:48
#10678
24M
24.00 mi13:57:453:06:467:477:42
7:42
#10606
40K
24.85 mi14:05:273:14:287:497:42
9:00
#10826
25.2M
25.20 mi14:08:193:17:207:502:52
8:19
#10766
Finish
26.22 mi14:15:573:24:587:497:38
7:29
#10636
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118902804280410541(Top 40%)2104(Top 18%)2104(Top 43%)
10K6.21 mi3.10 mi12572-6823194-3903194-39013364(Top 50%)3635(Top 32%)3635(Top 74%)
15K9.32 mi3.11 mi11839+7332804+3902804+39010541(Top 40%)2104(Top 18%)2104(Top 43%)
20K12.43 mi3.11 mi11532+3072641+1632641+16310788(Top 41%)2306(Top 20%)2306(Top 47%)
Half13.11 mi0.68 mi11474+582608+332608+3310682(Top 40%)2220(Top 19%)2220(Top 45%)
25K15.53 mi2.42 mi11443+312613-52613-511580(Top 43%)2813(Top 25%)2813(Top 58%)
30K18.64 mi3.11 mi11145+2982491+1222491+12210081(Top 38%)2202(Top 19%)2202(Top 45%)
20M20.00 mi1.36 mi11036+1092456+352456+3510092(Top 38%)2274(Top 20%)2274(Top 47%)
21M21.00 mi1.00 mi10899+1372411+452411+459169(Top 34%)2001(Top 18%)2001(Top 41%)
35K21.75 mi0.75 mi10853+462401+102401+1010182(Top 38%)2451(Top 21%)2451(Top 50%)
23M23.00 mi1.25 mi10678+1752346+552346+558454(Top 32%)1781(Top 16%)1781(Top 36%)
24M24.00 mi1.00 mi10606+722328+182328+189122(Top 34%)2166(Top 19%)2166(Top 44%)
40K24.85 mi0.85 mi10826-2202465-1372465-13716168(Top 61%)5939(Top 52%)5939(Top 122%)
25.2M25.20 mi0.35 mi10766+602449+162449+168480(Top 32%)2031(Top 18%)2031(Top 42%)
Finish26.22 mi1.02 mi10636+1302407+422407+428514(Top 32%)2035(Top 18%)2035(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10541

Females

2104

F18-39

2104

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13364

Females

3635

F18-39

3635

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10541

Females

2104

F18-39

2104

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10788

Females

2306

F18-39

2306

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10682

Females

2220

F18-39

2220

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11580

Females

2813

F18-39

2813

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10081

Females

2202

F18-39

2202

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10092

Females

2274

F18-39

2274

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9169

Females

2001

F18-39

2001

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10182

Females

2451

F18-39

2451

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8454

Females

1781

F18-39

1781

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9122

Females

2166

F18-39

2166

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16168

Females

5939

F18-39

5939

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8480

Females

2031

F18-39

2031

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8514

Females

2035

F18-39

2035

Passing Analysis

Category:
Athletes Passed
2656*
Passed By
1402
Net Change
+1254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11890
5K → 10K96778-682#11890#12572
10K → 15K74613+733#12572#11839
15K → 20K34538+307#11839#11532
20K → Half6911+58#11532#11474
Half → 25K131100+31#11474#11443
25K → 30K35254+298#11443#11145
30K → 20M145*36+109#11145#11036
20M → 21M16023+137#11036#10899
21M → 35K7024+46#10899#10853
35K → 23M19015+175#10853#10678
23M → 24M10634+72#10678#10606
24M → 40K28248-220#10606#10826
40K → 25.2M655+60#10826#10766
25.2M → Finish15323+130#10766#10636
TOTALS2656*1402+1254

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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