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BOSTON MARATHON 2023

Christine Guerrero

Bib: 1630•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Female)
#0 / 11423
Top 0.4%
Division (F18-39)
#0 / 4884
Top 0.9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:45
Rank: #1642
Start → 5K
19:45 | 6:21/mi
10K· 6.21 mi
39:06
Rank: #1545 (+97)
5K → 10K
19:21 | 6:14/mi
15K· 9.32 mi
58:27
Rank: #1453 (+92)
10K → 15K
19:21 | 6:14/mi
20K· 12.43 mi
1:17:48
Rank: #1344 (+109)
15K → 20K
19:21 | 6:14/mi
Half· 13.11 mi
1:22:03
Rank: #1342 (+2)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:37:09
Rank: #1299 (+43)
Half → 25K
15:06 | 6:14/mi
30K· 18.64 mi
1:56:30
Rank: #1171 (+128)
25K → 30K
19:21 | 6:14/mi
20M
2:04:58
Rank: #1110 (+61)
30K → 20M
8:28 | 6:14/mi
21M
2:11:29
Rank: #1068 (+42)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:16:02
Rank: #1051 (+17)
21M → 35K
4:33 | 6:05/mi
23M
2:23:50
Rank: #1012 (+39)
35K → 23M
7:48 | 6:14/mi
24M
2:29:53
Rank: #975 (+37)
23M → 24M
6:03 | 6:03/mi
40K· 24.85 mi
2:35:11
Rank: #955 (+20)
24M → 40K
5:18 | 6:12/mi
25.2M
2:37:28
Rank: #935 (+20)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:43:50
Rank: #942 (-7)
25.2M → Finish
6:22 | 6:15/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:03
Pace6:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:47
Pace6:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2019:456:2119:45
6:21
-
10K
6.21 mi10:39:4139:066:1819:21
6:14
-0:07
15K
9.32 mi10:59:0258:276:1619:21
6:14
0:00
20K
12.43 mi11:18:231:17:486:1619:21
6:14
0:00
Half
13.11 mi11:22:381:22:036:164:15
6:14
0:00
25K
15.53 mi11:37:441:37:096:1515:06
6:14
0:00
30K
18.64 mi11:57:051:56:306:1519:21
6:14
0:00
20M
20.00 mi12:05:332:04:586:158:28
6:14
0:00
21M
21.00 mi12:12:042:11:296:166:31
6:31
+0:17
35K
21.75 mi12:16:372:16:026:154:33
6:05
-0:26
23M
23.00 mi12:24:252:23:506:157:48
6:14
+0:09
24M
24.00 mi12:30:282:29:536:156:03
6:03
-0:11
40K
24.85 mi12:35:462:35:116:155:18
6:12
+0:09
25.2M
25.20 mi12:38:032:37:286:152:17
6:37
+0:25
Finish
26.22 mi12:44:252:43:506:156:22
6:15
-0:22

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

6:03 /mi

Average Pace

6:15 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:02

95% of race

Time at Steady Pace

8:48

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:20:2019:456:2119:45
6:21
#1642
10K
6.21 mi10:39:4139:066:1819:21
6:14
#1545
15K
9.32 mi10:59:0258:276:1619:21
6:14
#1453
20K
12.43 mi11:18:231:17:486:1619:21
6:14
#1344
Half
13.11 mi11:22:381:22:036:164:15
6:14
#1342
25K
15.53 mi11:37:441:37:096:1515:06
6:14
#1299
30K
18.64 mi11:57:051:56:306:1519:21
6:14
#1171
20M
20.00 mi12:05:332:04:586:158:28
6:14
#1110
21M
21.00 mi12:12:042:11:296:166:31
6:31
#1068
35K
21.75 mi12:16:372:16:026:154:33
6:05
#1051
23M
23.00 mi12:24:252:23:506:157:48
6:14
#1012
24M
24.00 mi12:30:282:29:536:156:03
6:03
#975
40K
24.85 mi12:35:462:35:116:155:18
6:12
#955
25.2M
25.20 mi12:38:032:37:286:152:17
6:37
#935
Finish
26.22 mi12:44:252:43:506:156:22
6:15
#942
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi164276761348(Top 5%)64(Top 0.6%)64(Top 1%)
10K6.21 mi3.10 mi1545+9770+670+61466(Top 6%)65(Top 0.6%)65(Top 1%)
15K9.32 mi3.11 mi1453+9266+466+41348(Top 5%)64(Top 0.6%)64(Top 1%)
20K12.43 mi3.11 mi1344+10964+264+21142(Top 4%)52(Top 0.5%)52(Top 1%)
Half13.11 mi0.68 mi1342+263+163+11444(Top 5%)62(Top 0.5%)62(Top 1%)
25K15.53 mi2.42 mi1299+4359+459+41079(Top 4%)51(Top 0.4%)51(Top 1%)
30K18.64 mi3.11 mi1171+12854+554+5745(Top 3%)37(Top 0.3%)37(Top 0.8%)
20M20.00 mi1.36 mi1110+6152+252+2705(Top 3%)39(Top 0.3%)39(Top 0.8%)
21M21.00 mi1.00 mi1068+4251+151+1693(Top 3%)40(Top 0.4%)40(Top 0.8%)
35K21.75 mi0.75 mi1051+1750+150+1904(Top 3%)45(Top 0.4%)45(Top 0.9%)
23M23.00 mi1.25 mi1012+3949+149+1681(Top 3%)39(Top 0.3%)39(Top 0.8%)
24M24.00 mi1.00 mi975+3748+148+1668(Top 3%)36(Top 0.3%)36(Top 0.7%)
40K24.85 mi0.85 mi955+2047+147+1667(Top 3%)37(Top 0.3%)37(Top 0.8%)
25.2M25.20 mi0.35 mi935+2048-148-1759(Top 3%)37(Top 0.3%)37(Top 0.8%)
Finish26.22 mi1.02 mi942-747+147+11458(Top 5%)77(Top 0.7%)77(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1348

Females

64

F18-39

64

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1466

Females

65

F18-39

65

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1348

Females

64

F18-39

64

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1142

Females

52

F18-39

52

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1444

Females

62

F18-39

62

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1079

Females

51

F18-39

51

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

745

Females

37

F18-39

37

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

705

Females

39

F18-39

39

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

693

Females

40

F18-39

40

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

904

Females

45

F18-39

45

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

681

Females

39

F18-39

39

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

668

Females

36

F18-39

36

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

667

Females

37

F18-39

37

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

759

Females

37

F18-39

37

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1458

Females

77

F18-39

77

Passing Analysis

Category:
Athletes Passed
819
Passed By
119
Net Change
+700
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1642
5K → 10K14346+97#1642#1545
10K → 15K10917+92#1545#1453
15K → 20K1145+109#1453#1344
20K → Half97+2#1344#1342
Half → 25K507+43#1342#1299
25K → 30K1280+128#1299#1171
30K → 20M643+61#1171#1110
20M → 21M453+42#1110#1068
21M → 35K203+17#1068#1051
35K → 23M412+39#1051#1012
23M → 24M381+37#1012#975
24M → 40K222+20#975#955
40K → 25.2M211+20#955#935
25.2M → Finish1522-7#935#942
TOTALS819119+700
📊

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