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BOSTON MARATHON 2023

Andrea Hudson Baldwin

Bib: 19307•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F60-64)
#0 / 527
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:59
Rank: #16607
Start → 5K
25:59 | 8:22/mi
10K· 6.21 mi
51:45
Rank: #16708 (-101)
5K → 10K
25:46 | 8:18/mi
15K· 9.32 mi
1:17:54
Rank: #16906 (-198)
10K → 15K
26:09 | 8:25/mi
20K· 12.43 mi
1:44:16
Rank: #16862 (+44)
15K → 20K
26:22 | 8:29/mi
Half· 13.11 mi
1:49:54
Rank: #16833 (+29)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:10:17
Rank: #16649 (+184)
Half → 25K
20:23 | 8:24/mi
30K· 18.64 mi
2:37:21
Rank: #16416 (+233)
25K → 30K
27:04 | 8:43/mi
20M
2:49:25
Rank: #16345 (+71)
30K → 20M
12:04 | 8:53/mi
21M
2:58:43
Rank: #16259 (+86)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
3:04:55
Rank: #16163 (+96)
21M → 35K
6:12 | 8:17/mi
23M
3:15:47
Rank: #16035 (+128)
35K → 23M
10:52 | 8:41/mi
24M
3:24:11
Rank: #15934 (+101)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:31:26
Rank: #15814 (+120)
24M → 40K
7:15 | 8:29/mi
25.2M
3:34:40
Rank: #15790 (+24)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:43:04
Rank: #15692 (+98)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:54
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:53:10
Pace8:38 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4825:598:2225:59
8:22
-
10K
6.21 mi11:43:3451:458:2025:46
8:18
-0:04
15K
9.32 mi12:09:431:17:548:2126:09
8:25
+0:07
20K
12.43 mi12:36:051:44:168:2326:22
8:29
+0:04
Half
13.11 mi12:41:431:49:548:235:38
8:15
-0:14
25K
15.53 mi13:02:062:10:178:2320:23
8:24
+0:09
30K
18.64 mi13:29:102:37:218:2627:04
8:43
+0:19
20M
20.00 mi13:41:142:49:258:2812:04
8:53
+0:10
21M
21.00 mi13:50:322:58:438:319:18
9:18
+0:25
35K
21.75 mi13:56:443:04:558:306:12
8:17
-1:01
23M
23.00 mi14:07:363:15:478:3110:52
8:41
+0:24
24M
24.00 mi14:16:003:24:118:308:24
8:24
-0:17
40K
24.85 mi14:23:153:31:268:307:15
8:29
+0:05
25.2M
25.20 mi14:26:293:34:408:313:14
9:23
+0:54
Finish
26.22 mi14:34:533:43:048:318:24
8:15
-1:08

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

8:15 /mi

Average Pace

8:31 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:32

94% of race

Time at Steady Pace

12:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:30 /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 mi11:17:4825:598:2225:59
8:22
#16607
10K
6.21 mi11:43:3451:458:2025:46
8:18
#16708
15K
9.32 mi12:09:431:17:548:2126:09
8:25
#16906
20K
12.43 mi12:36:051:44:168:2326:22
8:29
#16862
Half
13.11 mi12:41:431:49:548:235:38
8:15
#16833
25K
15.53 mi13:02:062:10:178:2320:23
8:24
#16649
30K
18.64 mi13:29:102:37:218:2627:04
8:43
#16416
20M
20.00 mi13:41:142:49:258:2812:04
8:53
#16345
21M
21.00 mi13:50:322:58:438:319:18
9:18
#16259
35K
21.75 mi13:56:443:04:558:306:12
8:17
#16163
23M
23.00 mi14:07:363:15:478:3110:52
8:41
#16035
24M
24.00 mi14:16:003:24:118:308:24
8:24
#15934
40K
24.85 mi14:23:153:31:268:307:15
8:29
#15814
25.2M
25.20 mi14:26:293:34:408:313:14
9:23
#15790
Finish
26.22 mi14:34:533:43:048:318:24
8:15
#15692
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi166075672567217252(Top 65%)6077(Top 53%)6077(Top 1153%)
10K6.21 mi3.10 mi16708-1015714-425714-4216894(Top 63%)5807(Top 51%)5807(Top 1102%)
15K9.32 mi3.11 mi16906-1985856-1425856-14217252(Top 65%)6077(Top 53%)6077(Top 1153%)
20K12.43 mi3.11 mi16862+445844+125844+1216770(Top 63%)5796(Top 51%)5796(Top 1100%)
Half13.11 mi0.68 mi16833+295821+235821+2316240(Top 61%)5441(Top 48%)5441(Top 1032%)
25K15.53 mi2.42 mi16649+1845727+945727+9415644(Top 59%)5234(Top 46%)5234(Top 993%)
30K18.64 mi3.11 mi16416+2335635+925635+9215576(Top 59%)5258(Top 46%)5258(Top 998%)
20M20.00 mi1.36 mi16345+715611+245611+2415905(Top 60%)5512(Top 48%)5512(Top 1046%)
21M21.00 mi1.00 mi16259+865577+345577+3415003(Top 56%)5057(Top 44%)5057(Top 960%)
35K21.75 mi0.75 mi16163+965537+405537+4014075(Top 53%)4611(Top 40%)4611(Top 875%)
23M23.00 mi1.25 mi16035+1285479+585479+5814282(Top 54%)4782(Top 42%)4782(Top 907%)
24M24.00 mi1.00 mi15934+1015435+445435+4413909(Top 52%)4624(Top 40%)4624(Top 877%)
40K24.85 mi0.85 mi15814+1205371+645371+6413252(Top 50%)4350(Top 38%)4350(Top 825%)
25.2M25.20 mi0.35 mi15790+245362+95362+914628(Top 55%)5094(Top 45%)5094(Top 967%)
Finish26.22 mi1.02 mi15692+985307+555307+5513755(Top 52%)4614(Top 40%)4614(Top 876%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17252

Females

6077

F60-64

6077

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16894

Females

5807

F60-64

5807

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17252

Females

6077

F60-64

6077

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16770

Females

5796

F60-64

5796

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16240

Females

5441

F60-64

5441

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15644

Females

5234

F60-64

5234

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15576

Females

5258

F60-64

5258

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15905

Females

5512

F60-64

5512

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15003

Females

5057

F60-64

5057

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14075

Females

4611

F60-64

4611

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14282

Females

4782

F60-64

4782

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13909

Females

4624

F60-64

4624

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13252

Females

4350

F60-64

4350

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14628

Females

5094

F60-64

5094

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13755

Females

4614

F60-64

4614

Passing Analysis

Category:
Athletes Passed
2071
Passed By
1156
Net Change
+915
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16607
5K → 10K262363-101#16607#16708
10K → 15K135333-198#16708#16906
15K → 20K198154+44#16906#16862
20K → Half4617+29#16862#16833
Half → 25K22339+184#16833#16649
25K → 30K29865+233#16649#16416
30K → 20M11746+71#16416#16345
20M → 21M11933+86#16345#16259
21M → 35K1048+96#16259#16163
35K → 23M15931+128#16163#16035
23M → 24M13029+101#16035#15934
24M → 40K13010+120#15934#15814
40K → 25.2M3713+24#15814#15790
25.2M → Finish11315+98#15790#15692
TOTALS20711156+915
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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