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BOSTON MARATHON 2023

Anna Cristofori

Bib: 27409•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:31
Rank: #21153
Start → 5K
28:31 | 9:11/mi
10K· 6.21 mi
54:58
Rank: #19921 (+1232)
5K → 10K
26:27 | 8:31/mi
15K· 9.32 mi
1:21:41
Rank: #19421 (+500)
10K → 15K
26:43 | 8:36/mi
20K· 12.43 mi
1:49:14
Rank: #19281 (+140)
15K → 20K
27:33 | 8:52/mi
Half· 13.11 mi
1:55:20
Rank: #19311 (-30)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:17:44
Rank: #19443 (-132)
Half → 25K
22:24 | 9:14/mi
30K· 18.64 mi
2:48:23
Rank: #19742 (-299)
25K → 30K
30:39 | 9:52/mi
20M
3:01:47
Rank: #19763 (-21)
30K → 20M
13:24 | 9:52/mi
21M
3:12:12
Rank: #19735 (+28)
20M → 21M
10:25 | 10:25/mi
35K· 21.75 mi
3:19:26
Rank: #19769 (-34)
21M → 35K
7:14 | 9:40/mi
23M
3:32:05
Rank: #19815 (-46)
35K → 23M
12:39 | 10:06/mi
24M
3:42:02
Rank: #19875 (-60)
23M → 24M
9:57 | 9:57/mi
40K· 24.85 mi
3:50:35
Rank: #19895 (-20)
24M → 40K
8:33 | 10:00/mi
25.2M
3:54:21
Rank: #19908 (-13)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:03:40
Rank: #19852 (+56)
25.2M → Finish
9:19 | 9:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:20
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:08:20
Pace9:47 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5528:319:1128:31
9:11
-
10K
6.21 mi12:17:2254:588:5126:27
8:31
-0:40
15K
9.32 mi12:44:051:21:418:4626:43
8:36
+0:05
20K
12.43 mi13:11:381:49:148:4727:33
8:52
+0:16
Half
13.11 mi13:17:441:55:208:486:06
8:56
+0:04
25K
15.53 mi13:40:082:17:448:5222:24
9:14
+0:18
30K
18.64 mi14:10:472:48:239:0230:39
9:52
+0:38
20M
20.00 mi14:24:113:01:479:0513:24
9:52
0:00
21M
21.00 mi14:34:363:12:129:0910:25
10:25
+0:33
35K
21.75 mi14:41:503:19:269:107:14
9:40
-0:45
23M
23.00 mi14:54:293:32:059:1312:39
10:06
+0:26
24M
24.00 mi15:04:263:42:029:159:57
9:57
-0:09
40K
24.85 mi15:12:593:50:359:178:33
10:00
+0:03
25.2M
25.20 mi15:16:453:54:219:183:46
10:55
+0:55
Finish
26.22 mi15:26:044:03:409:189:19
9:09
-1:46

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

8:31 /mi

Average Pace

9:18 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:03

60% of race

Time at Steady Pace

1:09:47

29% of race

Time at Slower Pace

26:50

11% 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 mi11:50:5528:319:1128:31
9:11
#21153
10K
6.21 mi12:17:2254:588:5126:27
8:31
#19921
15K
9.32 mi12:44:051:21:418:4626:43
8:36
#19421
20K
12.43 mi13:11:381:49:148:4727:33
8:52
#19281
Half
13.11 mi13:17:441:55:208:486:06
8:56
#19311
25K
15.53 mi13:40:082:17:448:5222:24
9:14
#19443
30K
18.64 mi14:10:472:48:239:0230:39
9:52
#19742
20M
20.00 mi14:24:113:01:479:0513:24
9:52
#19763
21M
21.00 mi14:34:363:12:129:0910:25
10:25
#19735
35K
21.75 mi14:41:503:19:269:107:14
9:40
#19769
23M
23.00 mi14:54:293:32:059:1312:39
10:06
#19815
24M
24.00 mi15:04:263:42:029:159:57
9:57
#19875
40K
24.85 mi15:12:593:50:359:178:33
10:00
#19895
25.2M
25.20 mi15:16:453:54:219:183:46
10:55
#19908
Finish
26.22 mi15:26:044:03:409:189:19
9:09
#19852
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi211538450845018459(Top 69%)6774(Top 59%)6774(Top 139%)
10K6.21 mi3.10 mi19921+12327722+7287722+72818352(Top 69%)6689(Top 59%)6689(Top 137%)
15K9.32 mi3.11 mi19421+5007404+3187404+31818459(Top 69%)6774(Top 59%)6774(Top 139%)
20K12.43 mi3.11 mi19281+1407292+1127292+11219061(Top 72%)7126(Top 62%)7126(Top 146%)
Half13.11 mi0.68 mi19311-307312-207312-2020221(Top 76%)7792(Top 68%)7792(Top 160%)
25K15.53 mi2.42 mi19443-1327385-737385-7319987(Top 75%)7683(Top 67%)7683(Top 157%)
30K18.64 mi3.11 mi19742-2997580-1957580-19520664(Top 78%)8145(Top 71%)8145(Top 167%)
20M20.00 mi1.36 mi19763-217600-207600-2020058(Top 75%)7887(Top 69%)7887(Top 161%)
21M21.00 mi1.00 mi19735+287589+117589+1119329(Top 73%)7537(Top 66%)7537(Top 154%)
35K21.75 mi0.75 mi19769-347613-247613-2420380(Top 77%)8154(Top 71%)8154(Top 167%)
23M23.00 mi1.25 mi19815-467657-447657-4420299(Top 76%)8129(Top 71%)8129(Top 166%)
24M24.00 mi1.00 mi19875-607698-417698-4120660(Top 78%)8358(Top 73%)8358(Top 171%)
40K24.85 mi0.85 mi19895-207723-257723-2519974(Top 75%)8050(Top 70%)8050(Top 165%)
25.2M25.20 mi0.35 mi19908-137729-67729-620299(Top 76%)8212(Top 72%)8212(Top 168%)
Finish26.22 mi1.02 mi19852+567705+247705+2418679(Top 70%)7272(Top 64%)7272(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18459

Females

6774

F18-39

6774

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18352

Females

6689

F18-39

6689

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18459

Females

6774

F18-39

6774

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

19061

Females

7126

F18-39

7126

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20221

Females

7792

F18-39

7792

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19987

Females

7683

F18-39

7683

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20664

Females

8145

F18-39

8145

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

20058

Females

7887

F18-39

7887

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19329

Females

7537

F18-39

7537

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20380

Females

8154

F18-39

8154

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20299

Females

8129

F18-39

8129

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20660

Females

8358

F18-39

8358

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19974

Females

8050

F18-39

8050

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20299

Females

8212

F18-39

8212

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18679

Females

7272

F18-39

7272

Passing Analysis

Category:
Athletes Passed
2651
Passed By
1350
Net Change
+1301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21153
5K → 10K126533+1232#21153#19921
10K → 15K53434+500#19921#19421
15K → 20K22989+140#19421#19281
20K → Half1444-30#19281#19311
Half → 25K77209-132#19311#19443
25K → 30K95394-299#19443#19742
30K → 20M81102-21#19742#19763
20M → 21M9567+28#19763#19735
21M → 35K3569-34#19735#19769
35K → 23M54100-46#19769#19815
23M → 24M3494-60#19815#19875
24M → 40K4767-20#19875#19895
40K → 25.2M1730-13#19895#19908
25.2M → Finish7418+56#19908#19852
TOTALS26511350+1301
📊

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