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BOSTON MARATHON 2023

Monica Fosnaugh

Bib: 22181•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:16
Rank: #20865
Start → 5K
28:16 | 9:06/mi
10K· 6.21 mi
56:18
Rank: #20900 (-35)
5K → 10K
28:02 | 9:01/mi
15K· 9.32 mi
1:24:32
Rank: #20889 (+11)
10K → 15K
28:14 | 9:05/mi
20K· 12.43 mi
1:52:59
Rank: #20737 (+152)
15K → 20K
28:27 | 9:09/mi
Half· 13.11 mi
1:59:06
Rank: #20715 (+22)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:21:52
Rank: #20691 (+24)
Half → 25K
22:46 | 9:23/mi
30K· 18.64 mi
2:51:55
Rank: #20537 (+154)
25K → 30K
30:03 | 9:40/mi
20M
3:05:03
Rank: #20443 (+94)
30K → 20M
13:08 | 9:40/mi
21M
3:15:09
Rank: #20307 (+136)
20M → 21M
10:06 | 10:06/mi
35K· 21.75 mi
3:21:47
Rank: #20215 (+92)
21M → 35K
6:38 | 8:52/mi
23M
3:33:36
Rank: #20090 (+125)
35K → 23M
11:49 | 9:26/mi
24M
3:42:57
Rank: #20042 (+48)
23M → 24M
9:21 | 9:21/mi
40K· 24.85 mi
3:51:08
Rank: #19979 (+63)
24M → 40K
8:11 | 9:34/mi
25.2M
3:54:36
Rank: #19940 (+39)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
4:03:44
Rank: #19868 (+72)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:06
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:04:38
Pace9:30 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4128:169:0628:16
9:06
-
10K
6.21 mi11:51:4356:189:0428:02
9:01
-0:05
15K
9.32 mi12:19:571:24:329:0428:14
9:05
+0:04
20K
12.43 mi12:48:241:52:599:0528:27
9:09
+0:04
Half
13.11 mi12:54:311:59:069:056:07
8:58
-0:11
25K
15.53 mi13:17:172:21:529:0822:46
9:23
+0:25
30K
18.64 mi13:47:202:51:559:1330:03
9:40
+0:17
20M
20.00 mi14:00:283:05:039:1513:08
9:40
0:00
21M
21.00 mi14:10:343:15:099:1810:06
10:06
+0:26
35K
21.75 mi14:17:123:21:479:176:38
8:52
-1:14
23M
23.00 mi14:29:013:33:369:1711:49
9:26
+0:34
24M
24.00 mi14:38:223:42:579:179:21
9:21
-0:05
40K
24.85 mi14:46:333:51:089:188:11
9:34
+0:13
25.2M
25.20 mi14:50:013:54:369:193:28
10:03
+0:29
Finish
26.22 mi14:59:094:03:449:189:08
8:58
-1:05

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

8:52 /mi

Average Pace

9:18 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:50:10

94% of race

Time at Steady Pace

13:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:18 /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 mi11:23:4128:169:0628:16
9:06
#20865
10K
6.21 mi11:51:4356:189:0428:02
9:01
#20900
15K
9.32 mi12:19:571:24:329:0428:14
9:05
#20889
20K
12.43 mi12:48:241:52:599:0528:27
9:09
#20737
Half
13.11 mi12:54:311:59:069:056:07
8:58
#20715
25K
15.53 mi13:17:172:21:529:0822:46
9:23
#20691
30K
18.64 mi13:47:202:51:559:1330:03
9:40
#20537
20M
20.00 mi14:00:283:05:039:1513:08
9:40
#20443
21M
21.00 mi14:10:343:15:099:1810:06
10:06
#20307
35K
21.75 mi14:17:123:21:479:176:38
8:52
#20215
23M
23.00 mi14:29:013:33:369:1711:49
9:26
#20090
24M
24.00 mi14:38:223:42:579:179:21
9:21
#20042
40K
24.85 mi14:46:333:51:089:188:11
9:34
#19979
25.2M
25.20 mi14:50:013:54:369:193:28
10:03
#19940
Finish
26.22 mi14:59:094:03:449:189:08
8:58
#19868
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi208658302830220903(Top 79%)8185(Top 72%)8185(Top 450%)
10K6.21 mi3.10 mi20900-358265+378265+3720979(Top 79%)8251(Top 72%)8251(Top 454%)
15K9.32 mi3.11 mi20889+118223+428223+4220903(Top 79%)8185(Top 72%)8185(Top 450%)
20K12.43 mi3.11 mi20737+1528129+948129+9420399(Top 77%)7902(Top 69%)7902(Top 435%)
Half13.11 mi0.68 mi20715+228115+148115+1420332(Top 76%)7867(Top 69%)7867(Top 433%)
25K15.53 mi2.42 mi20691+248090+258090+2520486(Top 77%)7978(Top 70%)7978(Top 439%)
30K18.64 mi3.11 mi20537+1548026+648026+6420040(Top 75%)7788(Top 68%)7788(Top 429%)
20M20.00 mi1.36 mi20443+947990+367990+3619463(Top 73%)7554(Top 66%)7554(Top 416%)
21M21.00 mi1.00 mi20307+1367924+667924+6618413(Top 69%)7011(Top 61%)7011(Top 386%)
35K21.75 mi0.75 mi20215+927882+427882+4217337(Top 65%)6477(Top 57%)6477(Top 356%)
23M23.00 mi1.25 mi20090+1257821+617821+6118103(Top 68%)6930(Top 61%)6930(Top 381%)
24M24.00 mi1.00 mi20042+487799+227799+2218684(Top 70%)7276(Top 64%)7276(Top 400%)
40K24.85 mi0.85 mi19979+637774+257774+2518593(Top 70%)7273(Top 64%)7273(Top 400%)
25.2M25.20 mi0.35 mi19940+397752+227752+2217669(Top 66%)6796(Top 59%)6796(Top 374%)
Finish26.22 mi1.02 mi19868+727716+367716+3617822(Top 67%)6826(Top 60%)6826(Top 376%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20903

Females

8185

F45-49

8185

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

20979

Females

8251

F45-49

8251

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20903

Females

8185

F45-49

8185

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20399

Females

7902

F45-49

7902

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20332

Females

7867

F45-49

7867

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20486

Females

7978

F45-49

7978

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

20040

Females

7788

F45-49

7788

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19463

Females

7554

F45-49

7554

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18413

Females

7011

F45-49

7011

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17337

Females

6477

F45-49

6477

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18103

Females

6930

F45-49

6930

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18684

Females

7276

F45-49

7276

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18593

Females

7273

F45-49

7273

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17669

Females

6796

F45-49

6796

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17822

Females

6826

F45-49

6826

Passing Analysis

Category:
Athletes Passed
1871
Passed By
874
Net Change
+997
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20865
5K → 10K280315-35#20865#20900
10K → 15K184173+11#20900#20889
15K → 20K23785+152#20889#20737
20K → Half3917+22#20737#20715
Half → 25K12197+24#20715#20691
25K → 30K22167+154#20691#20537
30K → 20M12127+94#20537#20443
20M → 21M15519+136#20443#20307
21M → 35K920+92#20307#20215
35K → 23M14924+125#20215#20090
23M → 24M6618+48#20090#20042
24M → 40K7916+63#20042#19979
40K → 25.2M456+39#19979#19940
25.2M → Finish8210+72#19940#19868
TOTALS1871874+997
📊

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