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BOSTON MARATHON 2023

Natalya Ghalili

Bib: 18380•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 24%
Masters (Masters Women)
#0 / 6539
Top 12%
Division (F45-49)
#0 / 1817
Top 12%
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
7:59/mi
24:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
49:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:13:14
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:37:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:42:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
2:01:48
↑ 66↓ 880.2%
30K· 18.64 mi
7:58/mi
2:26:33
↑ 181↓ 1480.2%
20M
7:54/mi
2:37:17
↑ 64↓ 500.2%
21M
8:44/mi
2:46:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:51:41
↑ 17↓ 861.7%
23M
7:54/mi
3:01:34
↑ 23↓ 630.6%
24M
7:40/mi
3:09:14
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:16:02
↓ 200.3%
25.2M
8:59/mi
3:19:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:27:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:44:18
Pace7:57 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1024:477:5924:47
7:59
-
10K
6.21 mi12:12:2849:057:5424:18
7:49
-0:10
15K
9.32 mi12:36:371:13:147:5124:09
7:46
-0:03
20K
12.43 mi13:01:041:37:417:5224:27
7:52
+0:06
Half
13.11 mi13:06:211:42:587:515:17
7:45
-0:07
25K
15.53 mi13:25:112:01:487:5018:50
7:46
+0:01
30K
18.64 mi13:49:562:26:337:5224:45
7:58
+0:12
20M
20.00 mi14:00:402:37:177:5210:44
7:54
-0:04
21M
21.00 mi14:09:242:46:017:548:44
8:44
+0:50
35K
21.75 mi14:15:042:51:417:545:40
7:34
-1:10
23M
23.00 mi14:24:573:01:347:549:53
7:54
+0:20
24M
24.00 mi14:32:373:09:147:537:40
7:40
-0:14
40K
24.85 mi14:39:253:16:027:536:48
7:57
+0:17
25.2M
25.20 mi14:42:313:19:087:543:06
8:59
+1:02
Finish
26.22 mi14:50:393:27:167:558:08
7:59
-1:00

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

7:34 /mi

Average Pace

7:55 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:26

94% of race

Time at Steady Pace

8:44

4% of race

Time at Slower Pace

3:06

1% of race

Average Pace: 7:54 /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 mi11:48:1024:477:5924:47
7:59
#13855
10K
6.21 mi12:12:2849:057:5424:18
7:49
#13584
15K
9.32 mi12:36:371:13:147:5124:09
7:46
#13202
20K
12.43 mi13:01:041:37:417:5224:27
7:52
#12956
Half
13.11 mi13:06:211:42:587:515:17
7:45
#12912
25K
15.53 mi13:25:112:01:487:5018:50
7:46
#12518
30K
18.64 mi13:49:562:26:337:5224:45
7:58
#12137
20M
20.00 mi14:00:402:37:177:5210:44
7:54
#11911
21M
21.00 mi14:09:242:46:017:548:44
8:44
#11918
35K
21.75 mi14:15:042:51:417:545:40
7:34
#11803
23M
23.00 mi14:24:573:01:347:549:53
7:54
#11597
24M
24.00 mi14:32:373:09:147:537:40
7:40
#11450
40K
24.85 mi14:39:253:16:027:536:48
7:57
#11372
25.2M
25.20 mi14:42:313:19:087:543:06
8:59
#11385
Finish
26.22 mi14:50:393:27:167:558:08
7:59
#11391
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi138553931393112501(Top 47%)3184(Top 28%)3184(Top 175%)
10K6.21 mi3.10 mi13584+2713794+1373794+13713329(Top 50%)3621(Top 32%)3621(Top 199%)
15K9.32 mi3.11 mi13202+3823578+2163578+21612501(Top 47%)3184(Top 28%)3184(Top 175%)
20K12.43 mi3.11 mi12956+2463457+1213457+12112343(Top 46%)3159(Top 28%)3159(Top 174%)
Half13.11 mi0.68 mi12912+443432+253432+2512271(Top 46%)3063(Top 27%)3063(Top 169%)
25K15.53 mi2.42 mi12518+3943240+1923240+19210868(Top 41%)2420(Top 21%)2420(Top 133%)
30K18.64 mi3.11 mi12137+3813053+1873053+18710635(Top 40%)2466(Top 22%)2466(Top 136%)
20M20.00 mi1.36 mi11911+2262943+1102943+1109587(Top 36%)2063(Top 18%)2063(Top 114%)
21M21.00 mi1.00 mi11918-72962-192962-1911891(Top 45%)3338(Top 29%)3338(Top 184%)
35K21.75 mi0.75 mi11803+1152914+482914+489153(Top 34%)2003(Top 18%)2003(Top 110%)
23M23.00 mi1.25 mi11597+2062825+892825+899076(Top 34%)2078(Top 18%)2078(Top 114%)
24M24.00 mi1.00 mi11450+1472762+632762+638900(Top 33%)2062(Top 18%)2062(Top 113%)
40K24.85 mi0.85 mi11372+782743+192743+199771(Top 37%)2547(Top 22%)2547(Top 140%)
25.2M25.20 mi0.35 mi11385-132765-222765-2212489(Top 47%)3948(Top 35%)3948(Top 217%)
Finish26.22 mi1.02 mi11391-62790-252790-2512003(Top 45%)3701(Top 32%)3701(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12501

Females

3184

F45-49

3184

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13329

Females

3621

F45-49

3621

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12501

Females

3184

F45-49

3184

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12343

Females

3159

F45-49

3159

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12271

Females

3063

F45-49

3063

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10868

Females

2420

F45-49

2420

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10635

Females

2466

F45-49

2466

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9587

Females

2063

F45-49

2063

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11891

Females

3338

F45-49

3338

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9153

Females

2003

F45-49

2003

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9076

Females

2078

F45-49

2078

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8900

Females

2062

F45-49

2062

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9771

Females

2547

F45-49

2547

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12489

Females

3948

F45-49

3948

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12003

Females

3701

F45-49

3701

Passing Analysis

Category:
Athletes Passed
3129
Passed By
665
Net Change
+2464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13855
5K → 10K456185+271#13855#13584
10K → 15K44260+382#13584#13202
15K → 20K31973+246#13202#12956
20K → Half6117+44#12956#12912
Half → 25K4017+394#12912#12518
25K → 30K42140+381#12518#12137
30K → 20M23711+226#12137#11911
20M → 21M93100-7#11911#11918
21M → 35K1183+115#11918#11803
35K → 23M22216+206#11803#11597
23M → 24M15912+147#11597#11450
24M → 40K10325+78#11450#11372
40K → 25.2M2740-13#11372#11385
25.2M → Finish7076-6#11385#11391
TOTALS3129665+2464
📊

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