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BOSTON MARATHON 2023

Peggy Irwin

Bib: 20000•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F45-49)
#0 / 1817
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:51
Rank: #16298
Start → 5K
25:51 | 8:19/mi
10K· 6.21 mi
51:06
Rank: #15986 (+312)
5K → 10K
25:15 | 8:08/mi
15K· 9.32 mi
1:16:22
Rank: #15774 (+212)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:42:03
Rank: #15658 (+116)
15K → 20K
25:41 | 8:16/mi
Half· 13.11 mi
1:47:38
Rank: #15661 (-3)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:07:49
Rank: #15532 (+129)
Half → 25K
20:11 | 8:19/mi
30K· 18.64 mi
2:34:18
Rank: #15311 (+221)
25K → 30K
26:29 | 8:31/mi
20M
2:45:54
Rank: #15199 (+112)
30K → 20M
11:36 | 8:32/mi
21M
2:54:59
Rank: #15102 (+97)
20M → 21M
9:05 | 9:05/mi
35K· 21.75 mi
3:01:16
Rank: #15079 (+23)
21M → 35K
6:17 | 8:24/mi
23M
3:11:50
Rank: #14933 (+146)
35K → 23M
10:34 | 8:26/mi
24M
3:20:09
Rank: #14840 (+93)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:27:25
Rank: #14747 (+93)
24M → 40K
7:16 | 8:30/mi
25.2M
3:30:34
Rank: #14712 (+35)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:38:48
Rank: #14634 (+78)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:38
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:51:10
Pace8:29 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2725:518:1925:51
8:19
-
10K
6.21 mi11:43:4251:068:1325:15
8:08
-0:11
15K
9.32 mi12:08:581:16:228:1225:16
8:08
0:00
20K
12.43 mi12:34:391:42:038:1325:41
8:16
+0:08
Half
13.11 mi12:40:141:47:388:135:35
8:11
-0:05
25K
15.53 mi13:00:252:07:498:1420:11
8:19
+0:08
30K
18.64 mi13:26:542:34:188:1726:29
8:31
+0:12
20M
20.00 mi13:38:302:45:548:1811:36
8:32
+0:01
21M
21.00 mi13:47:352:54:598:209:05
9:05
+0:33
35K
21.75 mi13:53:523:01:168:206:17
8:24
-0:41
23M
23.00 mi14:04:263:11:508:2010:34
8:26
+0:02
24M
24.00 mi14:12:453:20:098:208:19
8:19
-0:07
40K
24.85 mi14:20:013:27:258:217:16
8:30
+0:11
25.2M
25.20 mi14:23:103:30:348:213:09
9:08
+0:38
Finish
26.22 mi14:31:243:38:488:218:14
8:05
-1:03

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

8:05 /mi

Average Pace

8:21 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:34

94% of race

Time at Steady Pace

12:14

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:18:2725:518:1925:51
8:19
#16298
10K
6.21 mi11:43:4251:068:1325:15
8:08
#15986
15K
9.32 mi12:08:581:16:228:1225:16
8:08
#15774
20K
12.43 mi12:34:391:42:038:1325:41
8:16
#15658
Half
13.11 mi12:40:141:47:388:135:35
8:11
#15661
25K
15.53 mi13:00:252:07:498:1420:11
8:19
#15532
30K
18.64 mi13:26:542:34:188:1726:29
8:31
#15311
20M
20.00 mi13:38:302:45:548:1811:36
8:32
#15199
21M
21.00 mi13:47:352:54:598:209:05
9:05
#15102
35K
21.75 mi13:53:523:01:168:206:17
8:24
#15079
23M
23.00 mi14:04:263:11:508:2010:34
8:26
#14933
24M
24.00 mi14:12:453:20:098:208:19
8:19
#14840
40K
24.85 mi14:20:013:27:258:217:16
8:30
#14747
25.2M
25.20 mi14:23:103:30:348:213:09
9:08
#14712
Finish
26.22 mi14:31:243:38:488:218:14
8:05
#14634
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi162985465546515388(Top 58%)4902(Top 43%)4902(Top 270%)
10K6.21 mi3.10 mi15986+3125272+1935272+19315731(Top 59%)5098(Top 45%)5098(Top 281%)
15K9.32 mi3.11 mi15774+2125137+1355137+13515388(Top 58%)4902(Top 43%)4902(Top 270%)
20K12.43 mi3.11 mi15658+1165090+475090+4715400(Top 58%)4964(Top 43%)4964(Top 273%)
Half13.11 mi0.68 mi15661-35098-85098-815705(Top 59%)5111(Top 45%)5111(Top 281%)
25K15.53 mi2.42 mi15532+1295048+505048+5015106(Top 57%)4911(Top 43%)4911(Top 270%)
30K18.64 mi3.11 mi15311+2214950+984950+9814480(Top 54%)4613(Top 40%)4613(Top 254%)
20M20.00 mi1.36 mi15199+1124906+444906+4413872(Top 52%)4341(Top 38%)4341(Top 239%)
21M21.00 mi1.00 mi15102+974863+434863+4313917(Top 52%)4450(Top 39%)4450(Top 245%)
35K21.75 mi0.75 mi15079+234866-34866-314744(Top 55%)4958(Top 43%)4958(Top 273%)
23M23.00 mi1.25 mi14933+1464794+724794+7212887(Top 48%)4011(Top 35%)4011(Top 221%)
24M24.00 mi1.00 mi14840+934753+414753+4113353(Top 50%)4311(Top 38%)4311(Top 237%)
40K24.85 mi0.85 mi14747+934728+254728+2513365(Top 50%)4401(Top 39%)4401(Top 242%)
25.2M25.20 mi0.35 mi14712+354717+114717+1113341(Top 50%)4412(Top 39%)4412(Top 243%)
Finish26.22 mi1.02 mi14634+784686+314686+3112684(Top 48%)4060(Top 36%)4060(Top 223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15388

Females

4902

F45-49

4902

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15731

Females

5098

F45-49

5098

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15388

Females

4902

F45-49

4902

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15400

Females

4964

F45-49

4964

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15705

Females

5111

F45-49

5111

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15106

Females

4911

F45-49

4911

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14480

Females

4613

F45-49

4613

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13872

Females

4341

F45-49

4341

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13917

Females

4450

F45-49

4450

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14744

Females

4958

F45-49

4958

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12887

Females

4011

F45-49

4011

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13353

Females

4311

F45-49

4311

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13365

Females

4401

F45-49

4401

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13341

Females

4412

F45-49

4412

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12684

Females

4060

F45-49

4060

Passing Analysis

Category:
Athletes Passed
2408
Passed By
744
Net Change
+1664
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16298
5K → 10K471159+312#16298#15986
10K → 15K322110+212#15986#15774
15K → 20K235119+116#15774#15658
20K → Half2629-3#15658#15661
Half → 25K19364+129#15661#15532
25K → 30K29776+221#15532#15311
30K → 20M14432+112#15311#15199
20M → 21M13639+97#15199#15102
21M → 35K5532+23#15102#15079
35K → 23M15711+146#15079#14933
23M → 24M11118+93#14933#14840
24M → 40K10815+93#14840#14747
40K → 25.2M5116+35#14747#14712
25.2M → Finish10224+78#14712#14634
TOTALS2408744+1664
📊

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