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BOSTON MARATHON 2023

Maggie Brice

Bib: 17846•F

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:33
Rank: #10359
Start → 5K
23:33 | 7:35/mi
10K· 6.21 mi
46:20
Rank: #9634 (+725)
5K → 10K
22:47 | 7:20/mi
15K· 9.32 mi
1:09:23
Rank: #9571 (+63)
10K → 15K
23:03 | 7:25/mi
20K· 12.43 mi
1:32:33
Rank: #9395 (+176)
15K → 20K
23:10 | 7:27/mi
Half· 13.11 mi
1:37:31
Rank: #9337 (+58)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:55:33
Rank: #9134 (+203)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:19:10
Rank: #8879 (+255)
25K → 30K
23:37 | 7:36/mi
20M
2:29:38
Rank: #8804 (+75)
30K → 20M
10:28 | 7:42/mi
21M
2:37:46
Rank: #8744 (+60)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:43:14
Rank: #8685 (+59)
21M → 35K
5:28 | 7:18/mi
23M
2:52:52
Rank: #8587 (+98)
35K → 23M
9:38 | 7:42/mi
24M
3:00:05
Rank: #8429 (+158)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
3:06:27
Rank: #8327 (+102)
24M → 40K
6:22 | 7:27/mi
25.2M
3:09:09
Rank: #8260 (+67)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:16:28
Rank: #8152 (+108)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:31
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:38:57
Pace7:33 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1123:337:3523:33
7:35
-
10K
6.21 mi11:36:5846:207:2722:47
7:20
-0:15
15K
9.32 mi12:00:011:09:237:2723:03
7:25
+0:05
20K
12.43 mi12:23:111:32:337:2723:10
7:27
+0:02
Half
13.11 mi12:28:091:37:317:264:58
7:17
-0:10
25K
15.53 mi12:46:111:55:337:2618:02
7:26
+0:09
30K
18.64 mi13:09:482:19:107:2823:37
7:36
+0:10
20M
20.00 mi13:20:162:29:387:2910:28
7:42
+0:06
21M
21.00 mi13:28:242:37:467:318:08
8:08
+0:26
35K
21.75 mi13:33:522:43:147:305:28
7:18
-0:50
23M
23.00 mi13:43:302:52:527:319:38
7:42
+0:24
24M
24.00 mi13:50:433:00:057:307:13
7:13
-0:29
40K
24.85 mi13:57:053:06:277:306:22
7:27
+0:14
25.2M
25.20 mi13:59:473:09:097:302:42
7:50
+0:23
Finish
26.22 mi14:07:063:16:287:307:19
7:11
-0:39

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

7:11 /mi

Average Pace

7:30 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:20

96% of race

Time at Steady Pace

8:08

4% 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 mi11:14:1123:337:3523:33
7:35
#10359
10K
6.21 mi11:36:5846:207:2722:47
7:20
#9634
15K
9.32 mi12:00:011:09:237:2723:03
7:25
#9571
20K
12.43 mi12:23:111:32:337:2723:10
7:27
#9395
Half
13.11 mi12:28:091:37:317:264:58
7:17
#9337
25K
15.53 mi12:46:111:55:337:2618:02
7:26
#9134
30K
18.64 mi13:09:482:19:107:2823:37
7:36
#8879
20M
20.00 mi13:20:162:29:387:2910:28
7:42
#8804
21M
21.00 mi13:28:242:37:467:318:08
8:08
#8744
35K
21.75 mi13:33:522:43:147:305:28
7:18
#8685
23M
23.00 mi13:43:302:52:527:319:38
7:42
#8587
24M
24.00 mi13:50:433:00:057:307:13
7:13
#8429
40K
24.85 mi13:57:053:06:277:306:22
7:27
#8327
25.2M
25.20 mi13:59:473:09:097:302:42
7:50
#8260
Finish
26.22 mi14:07:063:16:287:307:19
7:11
#8152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10359201620169516(Top 36%)1622(Top 14%)1622(Top 33%)
10K6.21 mi3.10 mi9634+7251674+3421674+3429112(Top 34%)1455(Top 13%)1455(Top 30%)
15K9.32 mi3.11 mi9571+631645+291645+299516(Top 36%)1622(Top 14%)1622(Top 33%)
20K12.43 mi3.11 mi9395+1761589+561589+568980(Top 34%)1473(Top 13%)1473(Top 30%)
Half13.11 mi0.68 mi9337+581571+181571+188505(Top 32%)1284(Top 11%)1284(Top 26%)
25K15.53 mi2.42 mi9134+2031493+781493+788328(Top 31%)1301(Top 11%)1301(Top 27%)
30K18.64 mi3.11 mi8879+2551439+541439+547954(Top 30%)1286(Top 11%)1286(Top 26%)
20M20.00 mi1.36 mi8804+751427+121427+128223(Top 31%)1482(Top 13%)1482(Top 30%)
21M21.00 mi1.00 mi8744+601420+71420+78214(Top 31%)1610(Top 14%)1610(Top 33%)
35K21.75 mi0.75 mi8685+591418+21418+27226(Top 27%)1188(Top 10%)1188(Top 24%)
23M23.00 mi1.25 mi8587+981404+141404+147703(Top 29%)1451(Top 13%)1451(Top 30%)
24M24.00 mi1.00 mi8429+1581363+411363+415875(Top 22%)855(Top 7%)855(Top 18%)
40K24.85 mi0.85 mi8327+1021343+201343+206404(Top 24%)1122(Top 10%)1122(Top 23%)
25.2M25.20 mi0.35 mi8260+671336+71336+75630(Top 21%)943(Top 8%)943(Top 19%)
Finish26.22 mi1.02 mi8152+1081311+251311+256312(Top 24%)1169(Top 10%)1169(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9516

Females

1622

F18-39

1622

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9112

Females

1455

F18-39

1455

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9516

Females

1622

F18-39

1622

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8980

Females

1473

F18-39

1473

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8505

Females

1284

F18-39

1284

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8328

Females

1301

F18-39

1301

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7954

Females

1286

F18-39

1286

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8223

Females

1482

F18-39

1482

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8214

Females

1610

F18-39

1610

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7226

Females

1188

F18-39

1188

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7703

Females

1451

F18-39

1451

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5875

Females

855

F18-39

855

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6404

Females

1122

F18-39

1122

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5630

Females

943

F18-39

943

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6312

Females

1169

F18-39

1169

Passing Analysis

Category:
Athletes Passed
2718*
Passed By
511
Net Change
+2207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10359
5K → 10K806*81+725#10359#9634
10K → 15K198135+63#9634#9571
15K → 20K22953+176#9571#9395
20K → Half624+58#9395#9337
Half → 25K23128+203#9337#9134
25K → 30K31257+255#9134#8879
30K → 20M10631+75#8879#8804
20M → 21M10747+60#8804#8744
21M → 35K6910+59#8744#8685
35K → 23M12931+98#8685#8587
23M → 24M1657+158#8587#8429
24M → 40K11210+102#8429#8327
40K → 25.2M703+67#8327#8260
25.2M → Finish12214+108#8260#8152
TOTALS2718*511+2207

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

📊

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