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BOSTON MARATHON 2023

Ana Sacoto

Bib: 16831•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F45-49)
#0 / 1817
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:38/mi
23:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
47:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:11:26
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:36:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:41:16
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:00:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:26:51
↑ 181↓ 1480.2%
20M
8:37/mi
2:38:33
↑ 64↓ 500.2%
21M
9:25/mi
2:47:58
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
2:54:14
↑ 17↓ 861.7%
23M
8:45/mi
3:05:11
↑ 23↓ 630.6%
24M
8:36/mi
3:13:47
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:21:12
↓ 200.3%
25.2M
9:37/mi
3:24:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:33/mi
3:33:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:16
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:51:58
Pace8:32 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4523:427:3823:42
7:38
-
10K
6.21 mi11:43:0647:037:3423:21
7:31
-0:07
15K
9.32 mi12:07:291:11:267:4024:23
7:51
+0:20
20K
12.43 mi12:32:041:36:017:4424:35
7:55
+0:04
Half
13.11 mi12:37:191:41:167:435:15
7:42
-0:13
25K
15.53 mi12:56:422:00:397:4619:23
8:00
+0:18
30K
18.64 mi13:22:542:26:517:5326:12
8:26
+0:26
20M
20.00 mi13:34:362:38:337:5611:42
8:37
+0:11
21M
21.00 mi13:44:012:47:588:009:25
9:25
+0:48
35K
21.75 mi13:50:172:54:148:016:16
8:23
-1:02
23M
23.00 mi14:01:143:05:118:0310:57
8:45
+0:22
24M
24.00 mi14:09:503:13:478:048:36
8:36
-0:09
40K
24.85 mi14:17:153:21:128:067:25
8:40
+0:04
25.2M
25.20 mi14:20:343:24:318:073:19
9:37
+0:57
Finish
26.22 mi14:29:173:33:148:088:43
8:33
-1:04

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

7:31 /mi

Average Pace

8:08 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:39

57% of race

Time at Steady Pace

1:08:54

32% of race

Time at Slower Pace

23:41

11% of race

Average Pace: 8:08 /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 mi11:19:4523:427:3823:42
7:38
#10823
10K
6.21 mi11:43:0647:037:3423:21
7:31
#10669
15K
9.32 mi12:07:291:11:267:4024:23
7:51
#11493
20K
12.43 mi12:32:041:36:017:4424:35
7:55
#11759
Half
13.11 mi12:37:191:41:167:435:15
7:42
#11760
25K
15.53 mi12:56:422:00:397:4619:23
8:00
#11863
30K
18.64 mi13:22:542:26:517:5326:12
8:26
#12286
20M
20.00 mi13:34:362:38:337:5611:42
8:37
#12444
21M
21.00 mi13:44:012:47:588:009:25
9:25
#12655
35K
21.75 mi13:50:172:54:148:016:16
8:23
#12710
23M
23.00 mi14:01:143:05:118:0310:57
8:45
#12857
24M
24.00 mi14:09:503:13:478:048:36
8:36
#12948
40K
24.85 mi14:17:153:21:128:067:25
8:40
#12989
25.2M
25.20 mi14:20:343:24:318:073:19
9:37
#13022
Finish
26.22 mi14:29:173:33:148:088:43
8:33
#13121
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi108232240224013123(Top 49%)3556(Top 31%)3556(Top 196%)
10K6.21 mi3.10 mi10669+1542158+822158+8210588(Top 40%)2103(Top 18%)2103(Top 116%)
15K9.32 mi3.11 mi11493-8242598-4402598-44013123(Top 49%)3556(Top 31%)3556(Top 196%)
20K12.43 mi3.11 mi11759-2662776-1782776-17812746(Top 48%)3408(Top 30%)3408(Top 188%)
Half13.11 mi0.68 mi11760-12778-22778-211944(Top 45%)2896(Top 25%)2896(Top 159%)
25K15.53 mi2.42 mi11863-1032851-732851-7312714(Top 48%)3479(Top 30%)3479(Top 191%)
30K18.64 mi3.11 mi12286-4233146-2953146-29513889(Top 52%)4263(Top 37%)4263(Top 235%)
20M20.00 mi1.36 mi12444-1583236-903236-9014326(Top 54%)4605(Top 40%)4605(Top 253%)
21M21.00 mi1.00 mi12655-2113388-1523388-15215562(Top 58%)5376(Top 47%)5376(Top 296%)
35K21.75 mi0.75 mi12710-553435-473435-4714590(Top 55%)4872(Top 43%)4872(Top 268%)
23M23.00 mi1.25 mi12857-1473544-1093544-10914677(Top 55%)4990(Top 44%)4990(Top 275%)
24M24.00 mi1.00 mi12948-913615-713615-7115059(Top 57%)5254(Top 46%)5254(Top 289%)
40K24.85 mi0.85 mi12989-413670-553670-5514379(Top 54%)4951(Top 43%)4951(Top 272%)
25.2M25.20 mi0.35 mi13022-333700-303700-3015749(Top 59%)5705(Top 50%)5705(Top 314%)
Finish26.22 mi1.02 mi13121-993769-693769-6915738(Top 59%)5658(Top 50%)5658(Top 311%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13123

Females

3556

F45-49

3556

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10588

Females

2103

F45-49

2103

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13123

Females

3556

F45-49

3556

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12746

Females

3408

F45-49

3408

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11944

Females

2896

F45-49

2896

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12714

Females

3479

F45-49

3479

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13889

Females

4263

F45-49

4263

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14326

Females

4605

F45-49

4605

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15562

Females

5376

F45-49

5376

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14590

Females

4872

F45-49

4872

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14677

Females

4990

F45-49

4990

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15059

Females

5254

F45-49

5254

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14379

Females

4951

F45-49

4951

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15749

Females

5705

F45-49

5705

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15738

Females

5658

F45-49

5658

Passing Analysis

Category:
Athletes Passed
1014
Passed By
3312
Net Change
-2298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10823
5K → 10K367213+154#10823#10669
10K → 15K30854-824#10669#11493
15K → 20K75341-266#11493#11759
20K → Half3031-1#11759#11760
Half → 25K107210-103#11760#11863
25K → 30K93516-423#11863#12286
30K → 20M56214-158#12286#12444
20M → 21M40251-211#12444#12655
21M → 35K3085-55#12655#12710
35K → 23M39186-147#12710#12857
23M → 24M45136-91#12857#12948
24M → 40K5293-41#12948#12989
40K → 25.2M1851-33#12989#13022
25.2M → Finish32131-99#13022#13121
TOTALS10143312-2298
📊

Passing Visuals

Category:
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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