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BOSTON MARATHON 2023

Eirini Spanou

Bib: 29304•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
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
9:41/mi
30:05
↑ 97↓ 3451.5%
10K· 6.21 mi
8:55/mi
57:48
↑ 79↓ 1380.4%
15K· 9.32 mi
9:03/mi
1:25:56
↑ 67↓ 78
20K· 12.43 mi
9:35/mi
1:55:43
↑ 106↓ 860.1%
Half· 13.11 mi
9:45/mi
2:02:22
↑ 19↓ 370.5%
25K· 15.53 mi
10:12/mi
2:27:07
↑ 66↓ 880.2%
30K· 18.64 mi
11:10/mi
3:01:48
↑ 181↓ 1480.2%
20M
11:37/mi
3:17:35
↑ 64↓ 500.2%
21M
13:59/mi
3:31:34
↑ 106↓ 241.6%
35K· 21.75 mi
10:48/mi
3:39:39
↑ 17↓ 861.7%
23M
11:44/mi
3:54:20
↑ 23↓ 630.6%
24M
11:10/mi
4:05:30
↓ 821.3%
40K· 24.85 mi
10:22/mi
4:14:22
↓ 200.3%
25.2M
11:16/mi
4:18:15
↑ 13↓ 160.2%
Finish· 26.22 mi
9:57/mi
4:28:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:22
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:26:01
Pace11:08 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5730:059:4130:05
9:41
-
10K
6.21 mi12:15:4057:489:1827:43
8:55
-0:46
15K
9.32 mi12:43:481:25:569:1328:08
9:03
+0:08
20K
12.43 mi13:13:351:55:439:1929:47
9:35
+0:32
Half
13.11 mi13:20:142:02:229:206:39
9:45
+0:10
25K
15.53 mi13:44:592:27:079:2824:45
10:12
+0:27
30K
18.64 mi14:19:403:01:489:4534:41
11:10
+0:58
20M
20.00 mi14:35:273:17:359:5315:47
11:37
+0:27
21M
21.00 mi14:49:263:31:3410:0413:59
13:59
+2:22
35K
21.75 mi14:57:313:39:3910:068:05
10:48
-3:11
23M
23.00 mi15:12:123:54:2010:1114:41
11:44
+0:56
24M
24.00 mi15:23:224:05:3010:1411:10
11:10
-0:34
40K
24.85 mi15:32:144:14:2210:148:52
10:22
-0:48
25.2M
25.20 mi15:36:074:18:1510:153:53
11:16
+0:54
Finish
26.22 mi15:46:154:28:2310:1510:08
9:57
-1:19

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

8:55 /mi

Average Pace

10:15 /mi

Slowest Pace

13:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:43

43% of race

Time at Steady Pace

58:29

22% of race

Time at Slower Pace

1:34:11

35% of race

Average Pace: 10:14 /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 mi11:47:5730:059:4130:05
9:41
#22612
10K
6.21 mi12:15:4057:489:1827:43
8:55
#21738
15K
9.32 mi12:43:481:25:569:1328:08
9:03
#21433
20K
12.43 mi13:13:351:55:439:1929:47
9:35
#21543
Half
13.11 mi13:20:142:02:229:206:39
9:45
#21624
25K
15.53 mi13:44:592:27:079:2824:45
10:12
#21806
30K
18.64 mi14:19:403:01:489:4534:41
11:10
#22224
20M
20.00 mi14:35:273:17:359:5315:47
11:37
#22357
21M
21.00 mi14:49:263:31:3410:0413:59
13:59
#22603
35K
21.75 mi14:57:313:39:3910:068:05
10:48
#22612
23M
23.00 mi15:12:123:54:2010:1114:41
11:44
#22681
24M
24.00 mi15:23:224:05:3010:1411:10
11:10
#22705
40K
24.85 mi15:32:144:14:2210:148:52
10:22
#22647
25.2M
25.20 mi15:36:074:18:1510:153:53
11:16
#22626
Finish
26.22 mi15:46:154:28:2310:1510:08
9:57
#22589
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi226129192919220763(Top 78%)8102(Top 71%)8102(Top 446%)
10K6.21 mi3.10 mi21738+8748710+4828710+48220539(Top 77%)8005(Top 70%)8005(Top 441%)
15K9.32 mi3.11 mi21433+3058517+1938517+19320763(Top 78%)8102(Top 71%)8102(Top 446%)
20K12.43 mi3.11 mi21543-1108580-638580-6321817(Top 82%)8692(Top 76%)8692(Top 478%)
Half13.11 mi0.68 mi21624-818622-428622-4222770(Top 86%)9225(Top 81%)9225(Top 508%)
25K15.53 mi2.42 mi21806-1828713-918713-9122633(Top 85%)9185(Top 80%)9185(Top 506%)
30K18.64 mi3.11 mi22224-4188960-2478960-24723361(Top 88%)9659(Top 85%)9659(Top 532%)
20M20.00 mi1.36 mi22357-1339045-859045-8523694(Top 89%)9896(Top 87%)9896(Top 545%)
21M21.00 mi1.00 mi22603-2469199-1549199-15425026(Top 94%)10621(Top 93%)10621(Top 585%)
35K21.75 mi0.75 mi22612-99215-169215-1622953(Top 86%)9569(Top 84%)9569(Top 527%)
23M23.00 mi1.25 mi22681-699250-359250-3523618(Top 89%)9912(Top 87%)9912(Top 546%)
24M24.00 mi1.00 mi22705-249278-289278-2823344(Top 88%)9821(Top 86%)9821(Top 541%)
40K24.85 mi0.85 mi22647+589254+249254+2420933(Top 79%)8564(Top 75%)8564(Top 471%)
25.2M25.20 mi0.35 mi22626+219246+89246+821080(Top 79%)8639(Top 76%)8639(Top 475%)
Finish26.22 mi1.02 mi22589+379238+89238+821626(Top 81%)8926(Top 78%)8926(Top 491%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20763

Females

8102

F45-49

8102

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20539

Females

8005

F45-49

8005

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20763

Females

8102

F45-49

8102

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21817

Females

8692

F45-49

8692

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22770

Females

9225

F45-49

9225

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22633

Females

9185

F45-49

9185

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23361

Females

9659

F45-49

9659

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23694

Females

9896

F45-49

9896

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25026

Females

10621

F45-49

10621

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22953

Females

9569

F45-49

9569

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23618

Females

9912

F45-49

9912

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23344

Females

9821

F45-49

9821

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20933

Females

8564

F45-49

8564

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21080

Females

8639

F45-49

8639

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21626

Females

8926

F45-49

8926

Passing Analysis

Category:
Athletes Passed
1724
Passed By
1701
Net Change
+23
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22612
5K → 10K90228+874#22612#21738
10K → 15K35247+305#21738#21433
15K → 20K91201-110#21433#21543
20K → Half788-81#21543#21624
Half → 25K49231-182#21624#21806
25K → 30K44462-418#21806#22224
30K → 20M27160-133#22224#22357
20M → 21M9255-246#22357#22603
21M → 35K3645-9#22603#22612
35K → 23M34103-69#22612#22681
23M → 24M2953-24#22681#22705
24M → 40K657+58#22705#22647
40K → 25.2M243+21#22647#22626
25.2M → Finish5518+37#22626#22589
TOTALS17241701+23
📊

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