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BOSTON MARATHON 2023

Christine Macfarlane

Bib: 16348•F

NS

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 (F45-49)
#0 / 1817
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:26
Rank: #12974
Start → 5K
24:26 | 7:52/mi
10K· 6.21 mi
49:21
Rank: #13938 (-964)
5K → 10K
24:55 | 8:01/mi
15K· 9.32 mi
1:14:18
Rank: #14153 (-215)
10K → 15K
24:57 | 8:02/mi
20K· 12.43 mi
1:39:43
Rank: #14283 (-130)
15K → 20K
25:25 | 8:11/mi
Half· 13.11 mi
1:45:17
Rank: #14336 (-53)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:05:37
Rank: #14560 (-224)
Half → 25K
20:20 | 8:23/mi
30K· 18.64 mi
2:33:13
Rank: #14948 (-388)
25K → 30K
27:36 | 8:53/mi
20M
2:45:23
Rank: #15038 (-90)
30K → 20M
12:10 | 8:57/mi
21M
2:55:22
Rank: #15218 (-180)
20M → 21M
9:59 | 9:59/mi
35K· 21.75 mi
3:01:54
Rank: #15237 (-19)
21M → 35K
6:32 | 8:44/mi
23M
3:13:13
Rank: #15296 (-59)
35K → 23M
11:19 | 9:02/mi
24M
3:22:10
Rank: #15388 (-92)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:29:59
Rank: #15456 (-68)
24M → 40K
7:49 | 9:09/mi
25.2M
3:33:28
Rank: #15488 (-32)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:42:33
Rank: #15583 (-95)
25.2M → Finish
9:05 | 8:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:17
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:57:16
Pace8:57 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3624:267:5224:26
7:52
-
10K
6.21 mi11:39:3149:217:5724:55
8:01
+0:09
15K
9.32 mi12:04:281:14:187:5824:57
8:02
+0:01
20K
12.43 mi12:29:531:39:438:0125:25
8:11
+0:09
Half
13.11 mi12:35:271:45:178:025:34
8:10
-0:01
25K
15.53 mi12:55:472:05:378:0520:20
8:23
+0:13
30K
18.64 mi13:23:232:33:138:1327:36
8:53
+0:30
20M
20.00 mi13:35:332:45:238:1612:10
8:57
+0:04
21M
21.00 mi13:45:322:55:228:219:59
9:59
+1:02
35K
21.75 mi13:52:043:01:548:226:32
8:44
-1:15
23M
23.00 mi14:03:233:13:138:2411:19
9:02
+0:18
24M
24.00 mi14:12:203:22:108:258:57
8:57
-0:05
40K
24.85 mi14:20:093:29:598:277:49
9:09
+0:12
25.2M
25.20 mi14:23:383:33:288:283:29
10:06
+0:57
Finish
26.22 mi14:32:433:42:338:309:05
8:55
-1:11

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

7:52 /mi

Average Pace

8:30 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:37

56% of race

Time at Steady Pace

1:23:28

38% of race

Time at Slower Pace

13:28

6% of race

Average Pace: 8:29 /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 mi11:14:3624:267:5224:26
7:52
#12974
10K
6.21 mi11:39:3149:217:5724:55
8:01
#13938
15K
9.32 mi12:04:281:14:187:5824:57
8:02
#14153
20K
12.43 mi12:29:531:39:438:0125:25
8:11
#14283
Half
13.11 mi12:35:271:45:178:025:34
8:10
#14336
25K
15.53 mi12:55:472:05:378:0520:20
8:23
#14560
30K
18.64 mi13:23:232:33:138:1327:36
8:53
#14948
20M
20.00 mi13:35:332:45:238:1612:10
8:57
#15038
21M
21.00 mi13:45:322:55:228:219:59
9:59
#15218
35K
21.75 mi13:52:043:01:548:226:32
8:44
#15237
23M
23.00 mi14:03:233:13:138:2411:19
9:02
#15296
24M
24.00 mi14:12:203:22:108:258:57
8:57
#15388
40K
24.85 mi14:20:093:29:598:277:49
9:09
#15456
25.2M
25.20 mi14:23:383:33:288:283:29
10:06
#15488
Finish
26.22 mi14:32:433:42:338:309:05
8:55
#15583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi129743426342614661(Top 55%)4485(Top 39%)4485(Top 247%)
10K6.21 mi3.10 mi13938-9644003-5774003-57714967(Top 56%)4654(Top 41%)4654(Top 256%)
15K9.32 mi3.11 mi14153-2154154-1514154-15114661(Top 55%)4485(Top 39%)4485(Top 247%)
20K12.43 mi3.11 mi14283-1304247-934247-9314857(Top 56%)4625(Top 40%)4625(Top 255%)
Half13.11 mi0.68 mi14336-534279-324279-3215559(Top 58%)5031(Top 44%)5031(Top 277%)
25K15.53 mi2.42 mi14560-2244445-1664445-16615508(Top 58%)5146(Top 45%)5146(Top 283%)
30K18.64 mi3.11 mi14948-3884712-2674712-26716569(Top 62%)5823(Top 51%)5823(Top 320%)
20M20.00 mi1.36 mi15038-904798-864798-8616288(Top 61%)5737(Top 50%)5737(Top 316%)
21M21.00 mi1.00 mi15218-1804940-1424940-14217974(Top 68%)6739(Top 59%)6739(Top 371%)
35K21.75 mi0.75 mi15237-194972-324972-3216599(Top 62%)6039(Top 53%)6039(Top 332%)
23M23.00 mi1.25 mi15296-595027-555027-5516253(Top 61%)5880(Top 51%)5880(Top 324%)
24M24.00 mi1.00 mi15388-925101-745101-7417001(Top 64%)6351(Top 56%)6351(Top 350%)
40K24.85 mi0.85 mi15456-685166-655166-6516837(Top 63%)6302(Top 55%)6302(Top 347%)
25.2M25.20 mi0.35 mi15488-325185-195185-1917783(Top 67%)6833(Top 60%)6833(Top 376%)
Finish26.22 mi1.02 mi15583-955255-705255-7017555(Top 66%)6685(Top 59%)6685(Top 368%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14661

Females

4485

F45-49

4485

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14967

Females

4654

F45-49

4654

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14661

Females

4485

F45-49

4485

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14857

Females

4625

F45-49

4625

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15559

Females

5031

F45-49

5031

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15508

Females

5146

F45-49

5146

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16569

Females

5823

F45-49

5823

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16288

Females

5737

F45-49

5737

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

17974

Females

6739

F45-49

6739

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16599

Females

6039

F45-49

6039

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16253

Females

5880

F45-49

5880

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17001

Females

6351

F45-49

6351

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16837

Females

6302

F45-49

6302

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17783

Females

6833

F45-49

6833

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17555

Females

6685

F45-49

6685

Passing Analysis

Category:
Athletes Passed
836
Passed By
3445
Net Change
-2609
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12974
5K → 10K531017-964#12974#13938
10K → 15K119334-215#13938#14153
15K → 20K134264-130#14153#14283
20K → Half1265-53#14283#14336
Half → 25K90314-224#14336#14560
25K → 30K69457-388#14560#14948
30K → 20M61151-90#14948#15038
20M → 21M43223-180#15038#15218
21M → 35K3756-19#15218#15237
35K → 23M69128-59#15237#15296
23M → 24M46138-92#15296#15388
24M → 40K38106-68#15388#15456
40K → 25.2M2557-32#15456#15488
25.2M → Finish40135-95#15488#15583
TOTALS8363445-2609
📊

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