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BOSTON MARATHON 2023

Maelin Chandler

Bib: 18227•F

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Masters (Masters Women)
#0 / 6539
Top 4%
Division (F45-49)
#0 / 1817
Top 4%
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
7:28/mi
23:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
45:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:08:49
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:32:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:37:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:55:34
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:19:22
↑ 181↓ 1480.2%
20M
7:38/mi
2:29:45
↑ 64↓ 500.2%
21M
8:07/mi
2:37:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:43:21
↑ 17↓ 861.7%
23M
7:37/mi
2:52:53
↑ 23↓ 630.6%
24M
7:20/mi
3:00:13
↓ 821.3%
40K· 24.85 mi
7:27/mi
3:06:35
↓ 200.3%
25.2M
7:56/mi
3:09:19
↑ 13↓ 160.2%
Finish· 26.22 mi
7:12/mi
3:16:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:17
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:39:22
Pace7:35 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1623:137:2823:13
7:28
-
10K
6.21 mi11:36:5245:497:2222:36
7:16
-0:12
15K
9.32 mi11:59:521:08:497:2323:00
7:24
+0:08
20K
12.43 mi12:23:161:32:137:2523:24
7:32
+0:08
Half
13.11 mi12:28:201:37:177:255:04
7:26
-0:06
25K
15.53 mi12:46:371:55:347:2618:17
7:32
+0:06
30K
18.64 mi13:10:252:19:227:2923:48
7:40
+0:08
20M
20.00 mi13:20:482:29:457:2910:23
7:38
-0:02
21M
21.00 mi13:28:552:37:527:318:07
8:07
+0:29
35K
21.75 mi13:34:242:43:217:315:29
7:20
-0:47
23M
23.00 mi13:43:562:52:537:319:32
7:37
+0:17
24M
24.00 mi13:51:163:00:137:317:20
7:20
-0:17
40K
24.85 mi13:57:383:06:357:306:22
7:27
+0:07
25.2M
25.20 mi14:00:223:09:197:312:44
7:56
+0:29
Finish
26.22 mi14:07:423:16:397:307:20
7:12
-0:44

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

7:12 /mi

Average Pace

7:30 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:48

94% of race

Time at Steady Pace

10:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi11:14:1623:137:2823:13
7:28
#9402
10K
6.21 mi11:36:5245:497:2222:36
7:16
#8995
15K
9.32 mi11:59:521:08:497:2323:00
7:24
#9069
20K
12.43 mi12:23:161:32:137:2523:24
7:32
#9155
Half
13.11 mi12:28:201:37:177:255:04
7:26
#9181
25K
15.53 mi12:46:371:55:347:2618:17
7:32
#9140
30K
18.64 mi13:10:252:19:227:2923:48
7:40
#8977
20M
20.00 mi13:20:482:29:457:2910:23
7:38
#8852
21M
21.00 mi13:28:552:37:527:318:07
8:07
#8787
35K
21.75 mi13:34:242:43:217:315:29
7:20
#8720
23M
23.00 mi13:43:562:52:537:319:32
7:37
#8593
24M
24.00 mi13:51:163:00:137:317:20
7:20
#8466
40K
24.85 mi13:57:383:06:357:306:22
7:27
#8365
25.2M
25.20 mi14:00:223:09:197:312:44
7:56
#8305
Finish
26.22 mi14:07:423:16:397:307:20
7:12
#8198
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi9402158015809365(Top 35%)1566(Top 14%)1566(Top 86%)
10K6.21 mi3.10 mi8995+4071409+1711409+1718679(Top 33%)1297(Top 11%)1297(Top 71%)
15K9.32 mi3.11 mi9069-741455-461455-469365(Top 35%)1566(Top 14%)1566(Top 86%)
20K12.43 mi3.11 mi9155-861496-411496-419570(Top 36%)1715(Top 15%)1715(Top 94%)
Half13.11 mi0.68 mi9181-261509-131509-139642(Top 36%)1713(Top 15%)1713(Top 94%)
25K15.53 mi2.42 mi9140+411495+141495+149089(Top 34%)1582(Top 14%)1582(Top 87%)
30K18.64 mi3.11 mi8977+1631477+181477+188375(Top 31%)1455(Top 13%)1455(Top 80%)
20M20.00 mi1.36 mi8852+1251446+311446+317778(Top 29%)1314(Top 12%)1314(Top 72%)
21M21.00 mi1.00 mi8787+651437+91437+98135(Top 31%)1573(Top 14%)1573(Top 87%)
35K21.75 mi0.75 mi8720+671429+81429+87371(Top 28%)1246(Top 11%)1246(Top 69%)
23M23.00 mi1.25 mi8593+1271406+231406+237209(Top 27%)1251(Top 11%)1251(Top 69%)
24M24.00 mi1.00 mi8466+1271379+271379+276653(Top 25%)1135(Top 10%)1135(Top 62%)
40K24.85 mi0.85 mi8365+1011360+191360+196406(Top 24%)1124(Top 10%)1124(Top 62%)
25.2M25.20 mi0.35 mi8305+601347+131347+136167(Top 23%)1117(Top 10%)1117(Top 61%)
Finish26.22 mi1.02 mi8198+1071333+141333+146430(Top 24%)1208(Top 11%)1208(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9365

Females

1566

F45-49

1566

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8679

Females

1297

F45-49

1297

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9365

Females

1566

F45-49

1566

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9570

Females

1715

F45-49

1715

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9642

Females

1713

F45-49

1713

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9089

Females

1582

F45-49

1582

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8375

Females

1455

F45-49

1455

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7778

Females

1314

F45-49

1314

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8135

Females

1573

F45-49

1573

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7371

Females

1246

F45-49

1246

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7209

Females

1251

F45-49

1251

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6653

Females

1135

F45-49

1135

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6406

Females

1124

F45-49

1124

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6167

Females

1117

F45-49

1117

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6430

Females

1208

F45-49

1208

Passing Analysis

Category:
Athletes Passed
2061
Passed By
857
Net Change
+1204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9402
5K → 10K519112+407#9402#8995
10K → 15K118192-74#8995#9069
15K → 20K104190-86#9069#9155
20K → Half1339-26#9155#9181
Half → 25K13695+41#9181#9140
25K → 30K24481+163#9140#8977
30K → 20M14823+125#8977#8852
20M → 21M11247+65#8852#8787
21M → 35K769+67#8787#8720
35K → 23M14922+127#8720#8593
23M → 24M13912+127#8593#8466
24M → 40K11413+101#8466#8365
40K → 25.2M655+60#8365#8305
25.2M → Finish12417+107#8305#8198
TOTALS2061857+1204
📊

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