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BOSTON MARATHON 2023

Ana Grajales Lagunes

Bib: 20446•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 47%
Division (F45-49)
#0 / 1817
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
8:20/mi
25:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
50:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:16:59
↑ 67↓ 78
20K· 12.43 mi
8:28/mi
1:43:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:48:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:10:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:16/mi
2:39:19
↑ 181↓ 1480.2%
20M
9:08/mi
2:51:44
↑ 64↓ 500.2%
21M
9:48/mi
3:01:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:08:08
↑ 17↓ 861.7%
23M
9:05/mi
3:19:30
↑ 23↓ 630.6%
24M
8:50/mi
3:28:20
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:36:13
↓ 200.3%
25.2M
10:17/mi
3:39:46
↑ 13↓ 160.2%
Finish· 26.22 mi
10:17/mi
3:50:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:53
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:01:21
Pace9:15 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1325:548:2025:54
8:20
-
10K
6.21 mi11:43:0950:508:1124:56
8:02
-0:18
15K
9.32 mi12:09:181:16:598:1626:09
8:25
+0:23
20K
12.43 mi12:35:351:43:168:1926:17
8:28
+0:03
Half
13.11 mi12:41:121:48:538:185:37
8:14
-0:14
25K
15.53 mi13:02:522:10:338:2421:40
8:56
+0:42
30K
18.64 mi13:31:382:39:198:3328:46
9:16
+0:20
20M
20.00 mi13:44:032:51:448:3512:25
9:08
-0:08
21M
21.00 mi13:53:513:01:328:399:48
9:48
+0:40
35K
21.75 mi14:00:273:08:088:396:36
8:49
-0:59
23M
23.00 mi14:11:493:19:308:4011:22
9:05
+0:16
24M
24.00 mi14:20:393:28:208:418:50
8:50
-0:15
40K
24.85 mi14:28:323:36:138:427:53
9:13
+0:23
25.2M
25.20 mi14:32:053:39:468:433:33
10:17
+1:04
Finish
26.22 mi14:42:333:50:148:4710:28
10:17
0:00

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

8:02 /mi

Average Pace

8:47 /mi

Slowest Pace

10:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:53

47% of race

Time at Steady Pace

1:37:32

42% of race

Time at Slower Pace

23:49

10% of race

Average Pace: 8:47 /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 mi11:18:1325:548:2025:54
8:20
#16409
10K
6.21 mi11:43:0950:508:1124:56
8:02
#15694
15K
9.32 mi12:09:181:16:598:1626:09
8:25
#16246
20K
12.43 mi12:35:351:43:168:1926:17
8:28
#16362
Half
13.11 mi12:41:121:48:538:185:37
8:14
#16339
25K
15.53 mi13:02:522:10:338:2421:40
8:56
#16762
30K
18.64 mi13:31:382:39:198:3328:46
9:16
#17042
20M
20.00 mi13:44:032:51:448:3512:25
9:08
#17050
21M
21.00 mi13:53:513:01:328:399:48
9:48
#17067
35K
21.75 mi14:00:273:08:088:396:36
8:49
#17060
23M
23.00 mi14:11:493:19:308:4011:22
9:05
#17011
24M
24.00 mi14:20:393:28:208:418:50
8:50
#16984
40K
24.85 mi14:28:323:36:138:427:53
9:13
#16990
25.2M
25.20 mi14:32:053:39:468:433:33
10:17
#17029
Finish
26.22 mi14:42:333:50:148:4710:28
10:17
#17391
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi164095544554417261(Top 65%)6086(Top 53%)6086(Top 335%)
10K6.21 mi3.10 mi15694+7155091+4535091+45315011(Top 56%)4684(Top 41%)4684(Top 258%)
15K9.32 mi3.11 mi16246-5525437-3465437-34617261(Top 65%)6086(Top 53%)6086(Top 335%)
20K12.43 mi3.11 mi16362-1165531-945531-9416609(Top 62%)5712(Top 50%)5712(Top 314%)
Half13.11 mi0.68 mi16339+235519+125519+1216112(Top 61%)5380(Top 47%)5380(Top 296%)
25K15.53 mi2.42 mi16762-4235808-2895808-28918647(Top 70%)6928(Top 61%)6928(Top 381%)
30K18.64 mi3.11 mi17042-2805987-1795987-17918442(Top 69%)6883(Top 60%)6883(Top 379%)
20M20.00 mi1.36 mi17050-86000-136000-1317261(Top 65%)6312(Top 55%)6312(Top 347%)
21M21.00 mi1.00 mi17067-176030-306030-3017274(Top 65%)6351(Top 56%)6351(Top 350%)
35K21.75 mi0.75 mi17060+76036-66036-617086(Top 64%)6324(Top 55%)6324(Top 348%)
23M23.00 mi1.25 mi17011+496031+56031+516458(Top 62%)6002(Top 53%)6002(Top 330%)
24M24.00 mi1.00 mi16984+276035-46035-416418(Top 62%)6038(Top 53%)6038(Top 332%)
40K24.85 mi0.85 mi16990-66057-226057-2217201(Top 65%)6513(Top 57%)6513(Top 358%)
25.2M25.20 mi0.35 mi17029-396082-256082-2518378(Top 69%)7186(Top 63%)7186(Top 395%)
Finish26.22 mi1.02 mi17391-3626301-2196301-21922502(Top 85%)9395(Top 82%)9395(Top 517%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17261

Females

6086

F45-49

6086

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15011

Females

4684

F45-49

4684

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17261

Females

6086

F45-49

6086

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16609

Females

5712

F45-49

5712

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16112

Females

5380

F45-49

5380

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18647

Females

6928

F45-49

6928

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18442

Females

6883

F45-49

6883

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17261

Females

6312

F45-49

6312

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17274

Females

6351

F45-49

6351

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17086

Females

6324

F45-49

6324

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16458

Females

6002

F45-49

6002

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16418

Females

6038

F45-49

6038

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17201

Females

6513

F45-49

6513

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18378

Females

7186

F45-49

7186

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22502

Females

9395

F45-49

9395

Passing Analysis

Category:
Athletes Passed
1639
Passed By
2621
Net Change
-982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16409
5K → 10K80186+715#16409#15694
10K → 15K55607-552#15694#16246
15K → 20K129245-116#16246#16362
20K → Half5027+23#16362#16339
Half → 25K43466-423#16339#16762
25K → 30K101381-280#16762#17042
30K → 20M7381-8#17042#17050
20M → 21M7794-17#17050#17067
21M → 35K5245+7#17067#17060
35K → 23M10859+49#17060#17011
23M → 24M7144+27#17011#16984
24M → 40K5864-6#16984#16990
40K → 25.2M1150-39#16990#17029
25.2M → Finish10372-362#17029#17391
TOTALS16392621-982
📊

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