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BOSTON MARATHON 2023

Teresa Mangin

Bib: 14227•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 28%
Masters (Masters Women)
#0 / 6539
Top 15%
Division (F45-49)
#0 / 1817
Top 16%
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
8:06/mi
25:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:14:41
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:40:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:45:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:04:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:30:31
↑ 181↓ 1480.2%
20M
8:05/mi
2:41:30
↑ 64↓ 500.2%
21M
8:21/mi
2:49:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:55:44
↑ 17↓ 861.7%
23M
7:54/mi
3:05:37
↑ 23↓ 630.6%
24M
7:43/mi
3:13:20
↓ 821.3%
40K· 24.85 mi
7:43/mi
3:19:56
↓ 200.3%
25.2M
8:01/mi
3:22:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:29:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:40
Pace8:04 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2825:108:0625:10
8:06
-
10K
6.21 mi11:19:1349:558:0224:45
7:58
-0:08
15K
9.32 mi11:43:591:14:418:0124:46
7:58
0:00
20K
12.43 mi12:09:411:40:238:0525:42
8:16
+0:18
Half
13.11 mi12:14:581:45:408:045:17
7:45
-0:31
25K
15.53 mi12:34:122:04:548:0219:14
7:56
+0:11
30K
18.64 mi12:59:492:30:318:0425:37
8:15
+0:19
20M
20.00 mi13:10:482:41:308:0410:59
8:05
-0:10
21M
21.00 mi13:19:092:49:518:058:21
8:21
+0:16
35K
21.75 mi13:25:022:55:448:055:53
7:52
-0:29
23M
23.00 mi13:34:553:05:378:049:53
7:54
+0:02
24M
24.00 mi13:42:383:13:208:037:43
7:43
-0:11
40K
24.85 mi13:49:143:19:568:036:36
7:43
0:00
25.2M
25.20 mi13:52:003:22:428:032:46
8:01
+0:18
Finish
26.22 mi13:59:113:29:538:017:11
7:03
-0:58

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

7:03 /mi

Average Pace

8:01 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:47

13% of race

Time at Steady Pace

2:54:45

83% of race

Time at Slower Pace

8:21

4% of race

Average Pace: 8:00 /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 mi10:54:2825:108:0625:10
8:06
#14720
10K
6.21 mi11:19:1349:558:0224:45
7:58
#14621
15K
9.32 mi11:43:591:14:418:0124:46
7:58
#14444
20K
12.43 mi12:09:411:40:238:0525:42
8:16
#14708
Half
13.11 mi12:14:581:45:408:045:17
7:45
#14584
25K
15.53 mi12:34:122:04:548:0219:14
7:56
#14201
30K
18.64 mi12:59:492:30:318:0425:37
8:15
#13886
20M
20.00 mi13:10:482:41:308:0410:59
8:05
#13628
21M
21.00 mi13:19:092:49:518:058:21
8:21
#13355
35K
21.75 mi13:25:022:55:448:055:53
7:52
#13258
23M
23.00 mi13:34:553:05:378:049:53
7:54
#12969
24M
24.00 mi13:42:383:13:208:037:43
7:43
#12803
40K
24.85 mi13:49:143:19:568:036:36
7:43
#12619
25.2M
25.20 mi13:52:003:22:428:032:46
8:01
#12521
Finish
26.22 mi13:59:113:29:538:017:11
7:03
#12223
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi147204465446514160(Top 53%)4177(Top 37%)4177(Top 230%)
10K6.21 mi3.10 mi14621+994417+484417+4814540(Top 55%)4376(Top 38%)4376(Top 241%)
15K9.32 mi3.11 mi14444+1774323+944323+9414160(Top 53%)4177(Top 37%)4177(Top 230%)
20K12.43 mi3.11 mi14708-2644500-1774500-17715430(Top 58%)4982(Top 44%)4982(Top 274%)
Half13.11 mi0.68 mi14584+1244417+834417+8312301(Top 46%)3093(Top 27%)3093(Top 170%)
25K15.53 mi2.42 mi14201+3834232+1854232+18512178(Top 46%)3180(Top 28%)3180(Top 175%)
30K18.64 mi3.11 mi13886+3154070+1624070+16212649(Top 48%)3553(Top 31%)3553(Top 196%)
20M20.00 mi1.36 mi13628+2583934+1363934+13610921(Top 41%)2701(Top 24%)2701(Top 149%)
21M21.00 mi1.00 mi13355+2733785+1493785+1499575(Top 36%)2189(Top 19%)2189(Top 120%)
35K21.75 mi0.75 mi13258+973746+393746+3911180(Top 42%)2967(Top 26%)2967(Top 163%)
23M23.00 mi1.25 mi12969+2893613+1333613+1339085(Top 34%)2087(Top 18%)2087(Top 115%)
24M24.00 mi1.00 mi12803+1663535+783535+789239(Top 35%)2227(Top 19%)2227(Top 123%)
40K24.85 mi0.85 mi12619+1843439+963439+968155(Top 31%)1819(Top 16%)1819(Top 100%)
25.2M25.20 mi0.35 mi12521+983395+443395+446768(Top 25%)1354(Top 12%)1354(Top 75%)
Finish26.22 mi1.02 mi12223+2983246+1493246+1495564(Top 21%)943(Top 8%)943(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14160

Females

4177

F45-49

4177

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14540

Females

4376

F45-49

4376

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14160

Females

4177

F45-49

4177

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15430

Females

4982

F45-49

4982

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12301

Females

3093

F45-49

3093

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12178

Females

3180

F45-49

3180

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12649

Females

3553

F45-49

3553

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10921

Females

2701

F45-49

2701

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9575

Females

2189

F45-49

2189

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11180

Females

2967

F45-49

2967

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9085

Females

2087

F45-49

2087

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9239

Females

2227

F45-49

2227

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8155

Females

1819

F45-49

1819

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6768

Females

1354

F45-49

1354

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5564

Females

943

F45-49

943

Passing Analysis

Category:
Athletes Passed
3326
Passed By
829
Net Change
+2497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14720
5K → 10K339240+99#14720#14621
10K → 15K280103+177#14621#14444
15K → 20K109373-264#14444#14708
20K → Half1317+124#14708#14584
Half → 25K3885+383#14584#14201
25K → 30K37459+315#14201#13886
30K → 20M2668+258#13886#13628
20M → 21M2774+273#13628#13355
21M → 35K10710+97#13355#13258
35K → 23M2901+289#13258#12969
23M → 24M18014+166#12969#12803
24M → 40K1840+184#12803#12619
40K → 25.2M991+98#12619#12521
25.2M → Finish3024+298#12521#12223
TOTALS3326829+2497
📊

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